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	<title>Antoine Hauck&#039;s blog</title>
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	<link>http://blog.antoine.li</link>
	<description>blog.antoine.li</description>
	<lastBuildDate>Mon, 30 Jan 2012 15:46:50 +0000</lastBuildDate>
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		<title>Your greatest enemy in the ocean</title>
		<link>http://blog.antoine.li/2012/01/30/rip-current/</link>
		<comments>http://blog.antoine.li/2012/01/30/rip-current/#comments</comments>
		<pubDate>Mon, 30 Jan 2012 15:15:15 +0000</pubDate>
		<dc:creator>Antoine Hauck</dc:creator>
				<category><![CDATA[Asia-Pacific 2012]]></category>
		<category><![CDATA[Reisen]]></category>
		<category><![CDATA[asia-pacific]]></category>
		<category><![CDATA[australia]]></category>
		<category><![CDATA[travel]]></category>

		<guid isPermaLink="false">http://blog.enterpriselab.ch/tahauck/?p=548</guid>
		<description><![CDATA[You might suspect that sharks, poisonous jellyfishes or crabs are the greatest natural enemies for swimmers and surfers. Ocean-related fatality statistics, however, disprove this assumption. Underwater animals, like the scary white shark, are not the main reason for most casualties. Between five and 15 people are killed by sharks worldwide. However, the number of casualties [...]]]></description>
			<content:encoded><![CDATA[<p>You might suspect that sharks, poisonous jellyfishes or crabs are the greatest natural enemies for swimmers and surfers.</p>
<p>Ocean-related fatality statistics, however, disprove this assumption. Underwater animals, like the scary white shark, are not the main reason for most casualties. Between five and 15 people are killed by sharks worldwide.</p>
<p>However, the number of casualties by rip currents ranks second after heat-related deaths. Surf Life Saving Australia (SLSA) estimates that between 80 and 90 people drown every year due to rip currents along Australian coastlines. They are responsible for 80 % off all surf zone rescues.</p>
<p>On my first day in Australia, my host-family informed me how dangerous a rip current can be. I already knew that Aussies prefer to drive on the wrong lane, but rip currents, what&#8217;s that?</p>
<p>A rip current, also referred to as a rip, is a moving current of water, sometimes strong or fast flowing. It will usually start near the shoreline and flow into the open deep water. It may feel like you are in a fast moving flow of water, like being in a river or you may not notice it at all.<br />
Dragging people away from the beach, rip currents can be extremely dangerous. They often lead to drowning when swimmers attempt to fight against the current, become exhausted and begin to panic. Rips are not undertow, therefore they don&#8217;t pull people under water.</p>
<p><a href="http://blog.antoine.li/files/2012/01/Rip_Currents_Schematic.jpg"><img class="alignleft  wp-image-549" src="http://blog.antoine.li/files/2012/01/Rip_Currents_Schematic.jpg" alt="Copyright by www.ripcurrents.com.au" width="336" height="239" /></a>If you get caught in a rip current, don&#8217;t panic and don&#8217;t try to swim against the current. Raise your arm to call for assistance, while floating to conserve your energy. If you are confident, escape the current by swimming parallel to the beach. When free of the current, swim at an angle (away from the current) toward shore. Breaking waves can assist you back to shore.<br />
To get a better understanding of rip currents and professional advice how to escape them just check out the <a title="Summary Rip Current Safety Tips" href="http://www.ripcurrents.com.au/">SLSA</a> and <a title="Rip Current Safety" href="http://www.ceoe.udel.edu/ripcurrents/safety/index.html" target="_blank">USLA</a> websites and the following two movies.<br />
<p><a href="http://blog.antoine.li/2012/01/30/rip-current/"><em>Click here to view the embedded video.</em></a></p><br />
<p><a href="http://blog.antoine.li/2012/01/30/rip-current/"><em>Click here to view the embedded video.</em></a></p></p>
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		<title>The Aquarium of Western Australia (AQWA)</title>
		<link>http://blog.antoine.li/2012/01/29/aqwa/</link>
		<comments>http://blog.antoine.li/2012/01/29/aqwa/#comments</comments>
		<pubDate>Sun, 29 Jan 2012 05:00:20 +0000</pubDate>
		<dc:creator>Antoine Hauck</dc:creator>
				<category><![CDATA[Asia-Pacific 2012]]></category>
		<category><![CDATA[Reisen]]></category>
		<category><![CDATA[asia-pacific]]></category>
		<category><![CDATA[travel]]></category>

		<guid isPermaLink="false">http://blog.enterpriselab.ch/tahauck/?p=542</guid>
		<description><![CDATA[Last Saturday (21st of January 2012) was a very hot and humid day. The mercury almost hit the 40°C mark. I wasn&#8217;t really happy about the prospect of going down to the beach and roast in the sun like a kebap. So, I decided to go with another mate from school, Joel, to a more [...]]]></description>
			<content:encoded><![CDATA[<p>Last Saturday (21st of January 2012) was a very hot and humid day. The mercury almost hit the 40°C mark. I wasn&#8217;t really happy about the prospect of going down to the beach and roast in the sun like a kebap. So, I decided to go with another mate from school, Joel, to a more chilly place. And what would be more suitable as a spot in or, even better, under water like the biggest aquarium in Western Australia (<a title="The Aquarium of Western Australia" href="http://aqwa.com.au">AQWA</a>). Known as the number one attraction in WA you can explore 12&#8217;000 km of WA&#8217;s coastline in just a few hundred metres.<br />
Therefore I&#8217;ve decided to cycle to the aquarium because, as you may already know, Perth&#8217;s transportation service is &amp;%*!#+*. Cycling up to the north was a real torture: Despite those insane wrong-way drivers I also had to cope with the heat. After 15 km and 2 litres of water I finally reached AQWA.<br />
An absolute must see, you can explore sharks, stingrays and also very poisonous creatures in the DangerZone.</p>
<p>I will show you some pics here to get a better insight. You can find all the pics in my <a title="AQWA Gallery" href="https://picasaweb.google.com/101403118354768129367/TheAquariumOfWesternAustraliaAQWA?authuser=0&amp;feat=directlink" target="_blank">Picasa Gallery</a>.</p>
<div class='alignleft' > <a class="thickbox" title="I think he's scared." href="http://lh5.ggpht.com/-VqFp46SVWTw/Tx13a7uMzAI/AAAAAAAABlw/j2Rde9l0kqM/IMG_1210.JPG" rel="4f24cf9a8f5d3"><img class="alignleft" src="http://lh5.ggpht.com/-VqFp46SVWTw/Tx13a7uMzAI/AAAAAAAABlw/j2Rde9l0kqM/s150-c/IMG_1210.JPG" alt="IMG_1210.JPG" width="150" height="150" /></a><a class="thickbox" title="Who looks more frightening?" href="http://lh5.ggpht.com/--Gapf4rKAiI/Tx13biFhg6I/AAAAAAAABl0/6DhPTWUZo34/IMG_1212.JPG" rel="4f24cf9a8f5d3"><img class="alignleft" src="http://lh5.ggpht.com/--Gapf4rKAiI/Tx13biFhg6I/AAAAAAAABl0/6DhPTWUZo34/s150-c/IMG_1212.JPG" alt="IMG_1212.JPG" width="150" height="150" /></a><a class="thickbox" title="IMG_1266.JPG" href="http://lh4.ggpht.com/-BKCKEulqK80/Tx13ggmkuBI/AAAAAAAABmU/cl4vwA368MU/IMG_1266.JPG" rel="4f24cf9a8f5d3"><img class="alignleft" src="http://lh4.ggpht.com/-BKCKEulqK80/Tx13ggmkuBI/AAAAAAAABmU/cl4vwA368MU/s150-c/IMG_1266.JPG" alt="IMG_1266.JPG" width="150" height="150" /></a><a class="thickbox" title="Hi mate!" href="http://lh5.ggpht.com/-8LZFkZStfQs/Tx13jSduA6I/AAAAAAAABmk/wbugNrks7g8/IMG_1311.JPG" rel="4f24cf9a8f5d3"><img class="alignleft" src="http://lh5.ggpht.com/-8LZFkZStfQs/Tx13jSduA6I/AAAAAAAABmk/wbugNrks7g8/s150-c/IMG_1311.JPG" alt="IMG_1311.JPG" width="150" height="150" /></a><a class="thickbox" title="IMG_1434.JPG" href="http://lh5.ggpht.com/-5XAaJoKito8/Tx13njcNNdI/AAAAAAAABnE/CxtSJs2ii-c/IMG_1434.JPG" rel="4f24cf9a8f5d3"><img class="alignleft" src="http://lh5.ggpht.com/-5XAaJoKito8/Tx13njcNNdI/AAAAAAAABnE/CxtSJs2ii-c/s150-c/IMG_1434.JPG" alt="IMG_1434.JPG" width="150" height="150" /></a><a class="thickbox" title="IMG_1445.JPG" href="http://lh5.ggpht.com/-g2byxR6wcKo/Tx13o4cEO4I/AAAAAAAABnQ/LLjR6JQQ-yo/IMG_1445.JPG" rel="4f24cf9a8f5d3"><img class="alignleft" src="http://lh5.ggpht.com/-g2byxR6wcKo/Tx13o4cEO4I/AAAAAAAABnQ/LLjR6JQQ-yo/s150-c/IMG_1445.JPG" alt="IMG_1445.JPG" width="150" height="150" /></a><a class="thickbox" title="IMG_1466.JPG" href="http://lh6.ggpht.com/-G0xyukMnwNs/Tx13riL6mVI/AAAAAAAABno/dCcMBbQ8x3o/IMG_1466.JPG" rel="4f24cf9a8f5d3"><img class="alignleft" src="http://lh6.ggpht.com/-G0xyukMnwNs/Tx13riL6mVI/AAAAAAAABno/dCcMBbQ8x3o/s150-c/IMG_1466.JPG" alt="IMG_1466.JPG" width="150" height="150" /></a><a class="thickbox" title="IMG_1479.JPG" href="http://lh3.ggpht.com/-gPZtNaumNqk/Tx13vOMZTvI/AAAAAAAABoE/YxLBM_6hwxU/IMG_1479.JPG" rel="4f24cf9a8f5d3"><img class="alignleft" src="http://lh3.ggpht.com/-gPZtNaumNqk/Tx13vOMZTvI/AAAAAAAABoE/YxLBM_6hwxU/s150-c/IMG_1479.JPG" alt="IMG_1479.JPG" width="150" height="150" /></a></div><div class='clear'></div>
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		<title>I don&#8217;t care about left-hand traffic</title>
		<link>http://blog.antoine.li/2012/01/19/i-dont-care-about-left-hand-traffic/</link>
		<comments>http://blog.antoine.li/2012/01/19/i-dont-care-about-left-hand-traffic/#comments</comments>
		<pubDate>Thu, 19 Jan 2012 15:38:26 +0000</pubDate>
		<dc:creator>Antoine Hauck</dc:creator>
				<category><![CDATA[Asia-Pacific 2012]]></category>
		<category><![CDATA[Reisen]]></category>
		<category><![CDATA[asia-pacific]]></category>
		<category><![CDATA[Fun]]></category>
		<category><![CDATA[travel]]></category>

		<guid isPermaLink="false">http://blog.enterpriselab.ch/tahauck/?p=527</guid>
		<description><![CDATA[The transportation system in Perth just ##$$%^&#38;*, so I decided to buy me a new bicycle to commute to and from school. But if you wanna buy a bike in a huge shopping centre like kMart or Target, you could most probably face a problem, especially as a Swiss guy. The bikes are not assembled, [...]]]></description>
			<content:encoded><![CDATA[<p>The transportation system in Perth just ##$$%^&amp;*, so I decided to buy me a new bicycle to commute to and from school.</p>
<p>But if you wanna buy a bike in a huge shopping centre like kMart or Target, you could most probably face a problem, especially as a Swiss guy.<br />
The bikes are not assembled, you just buy a huge box with all the Lego parts inside and an assembly manual. C&#8217;mon, IKEA everywhere or what? I wouldn&#8217;t even understand the manual in German.</p>
<p>Wayne, two hours later I finally built my brandnew bike, which I bought for only 129 AUD, without any proper tools at all. Yes, it&#8217;s not IKEA furniture, a screwdriver doesn&#8217;t suffice.</p>
<p>So, very happy with my new bike, I was riding to school on the next day. And what happened, I&#8217;ve had to face a whole bunch of insane wrong-way drivers on the road.<br />
Fortunately almost all the drivers realized their fatal mistake and stopped their cars immediately. But there was this stubborn driver in his red car, heading towards me, very determined to not turn back.</p>
<p>But I didn&#8217;t shrink back. Still on collision course, either he or me (and of course my beloved bike) had to give up.</p>
<p>You can see the result on the picture below. Booya!</p>
<p><strong>WARNING:</strong> Do not use the grammar of this post as a good example of English</p>

<a href='http://blog.antoine.li/2012/01/19/i-dont-care-about-left-hand-traffic/img_0387/' title='IMG_0387'><img width="150" height="100" src="http://blog.antoine.li/files/2012/01/IMG_0387.jpg" class="attachment-thumbnail" alt="IMG_0387" title="IMG_0387" /></a>
<a href='http://blog.antoine.li/2012/01/19/i-dont-care-about-left-hand-traffic/img_20120117_085112/' title='IMG_20120117_085112'><img width="150" height="112" src="http://blog.antoine.li/files/2012/01/IMG_20120117_085112.jpg" class="attachment-thumbnail" alt="IMG_20120117_085112" title="IMG_20120117_085112" /></a>

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		<title>Meine Asia-Pacific Reise beginnt mit einem grossen Vogel</title>
		<link>http://blog.antoine.li/2012/01/02/asia-pacific-flight-to-singapore/</link>
		<comments>http://blog.antoine.li/2012/01/02/asia-pacific-flight-to-singapore/#comments</comments>
		<pubDate>Mon, 02 Jan 2012 17:29:35 +0000</pubDate>
		<dc:creator>Antoine Hauck</dc:creator>
				<category><![CDATA[Asia-Pacific 2012]]></category>
		<category><![CDATA[Reisen]]></category>
		<category><![CDATA[asia-pacific]]></category>
		<category><![CDATA[backpacker]]></category>
		<category><![CDATA[travel]]></category>

		<guid isPermaLink="false">http://blog.enterpriselab.ch/tahauck/?p=521</guid>
		<description><![CDATA[Seid gegrüsst. Meine achtmonatige Backpacker Asia-Pacific Reise für das Jahr 2012 hat begonnen. Am 30. Dezember 2011 18:40 bin ich vom Zürich Flughafen gestartet. Der erste Zwischenstopp was Frankfurt. Von dort aus bin ich dann mit der brandneuen A380-800 der Lufthansa Richtung Singapur aufgebrochen. Laut Angaben der Lufthansa, bietet ihre Version des A380 Platz für [...]]]></description>
			<content:encoded><![CDATA[<p>Seid gegrüsst.</p>
<p>Meine <strong>achtmonatige</strong> Backpacker Asia-Pacific Reise für das Jahr 2012 hat begonnen<strong>.</strong></p>
<p>Am 30. Dezember 2011 18:40 bin ich vom Zürich Flughafen gestartet.<br />
Der erste Zwischenstopp was Frankfurt. Von dort aus bin ich dann mit der brandneuen A380-800 der Lufthansa Richtung Singapur aufgebrochen. Laut Angaben der Lufthansa, bietet ihre Version des A380 Platz für 526 Passagiere. Zertifiziert wurde das Flugzeug sogar für <strong>853 Passagiere</strong> (wenn es nur eine Economy Klasse gäbe).<br />
Der Flieger ist 72.73 m lang, 24.45 m hoch und hat eine Flügelspannweite von <strong>79.75 m</strong>. Dies macht den A380 zum grössten Passagierflugzeug der Welt. Aber das wisst ihr ja vermutlich alle, ihr habt auch Nachrichten geschaut.</p>
<p>Als Passagier kann man dank drei bordinternen Kameras den Flug von aussen live mitverfolgen.<br />
Besonders eindrücklich war die Kamera, hoch oben am Heck. Von dieser hohen Perspektive erscheinen Fahrzeuge wie Spielzeugautos und die Startbahn erweckt den Eindruck, dass sie nicht für den Start ausreicht, da der A380 knapp zwei Mal breiter ist.</p>
<p>Als der A380 nun an seiner Startposition war und das Takeoff bekam, erwartete ich ein ohrenbetäubendes Geräusch der vier Rolls-Royce Triebwerke, die für diese Phase einen Schub von knapp <strong>130000 PS</strong> erzeugen. Aber da war kein lautes Geräusch zu hören, nur ein dumpfes Rauschen. Würde sagen, perfekt gelungen. Leise Triebwerke, gute Isolation (in der Business und First Class sogar noch besser isoliert).<br />
Somit konnte ich auch ein wenig schlafen (ca. 3h) auf den 12h langen Flug nach Singapur.</p>
<p>Aber genug geredet, hier nun einige interessante Videos zum A380.</p>
<p><strong>Bilder und Erlebnisse zum Neujahr in Singapur und meiner Gastfamilie in Perth kommen noch.</strong></p>
<p><a href="http://blog.antoine.li/2012/01/02/asia-pacific-flight-to-singapore/"><em>Click here to view the embedded video.</em></a></p>
<p><a href="http://blog.antoine.li/2012/01/02/asia-pacific-flight-to-singapore/"><em>Click here to view the embedded video.</em></a></p>
<p><a href="http://blog.antoine.li/2012/01/02/asia-pacific-flight-to-singapore/"><em>Click here to view the embedded video.</em></a></p>
<p><a href="http://blog.antoine.li/2012/01/02/asia-pacific-flight-to-singapore/"><em>Click here to view the embedded video.</em></a></p>
<p><a href="http://blog.antoine.li/2012/01/02/asia-pacific-flight-to-singapore/"><em>Click here to view the embedded video.</em></a></p>
]]></content:encoded>
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		<title>HydroNet kommt in die Medien</title>
		<link>http://blog.antoine.li/2011/11/10/hydronet-kommt-in-die-medien/</link>
		<comments>http://blog.antoine.li/2011/11/10/hydronet-kommt-in-die-medien/#comments</comments>
		<pubDate>Thu, 10 Nov 2011 09:09:30 +0000</pubDate>
		<dc:creator>Antoine Hauck</dc:creator>
				<category><![CDATA[Work@HSLU T&A]]></category>
		<category><![CDATA[Babel]]></category>
		<category><![CDATA[FP7]]></category>
		<category><![CDATA[HydroNet]]></category>
		<category><![CDATA[nesC]]></category>
		<category><![CDATA[routing]]></category>

		<guid isPermaLink="false">http://blog.antoine.li/?p=482</guid>
		<description><![CDATA[Für diejenigen, die nicht wissen um was es sich beim EU-Projekt HydroNet handelt, hier eine kurze Erklärung: Autonome Katamarane und Bojen, ausgestattet mit sensiblen Sensoren, ermöglichen die effiziente Überwachung der Wasserqualität in Seen, Lagunen und Flüssen. Eine optimierte drahtlose Kommunikationsinfrastruktur übermittelt die Messdaten zur Einsatzkontrolle. Mit Freude gebe nun ich bekannt, dass HydroNet in den folgenden [...]]]></description>
			<content:encoded><![CDATA[<p>Für diejenigen, die nicht wissen um was es sich beim EU-Projekt <a title="HydroNet" href="http://www.hydronet-project.eu/" target="_blank">HydroNet </a>handelt, hier eine kurze Erklärung:</p>
<blockquote><p>Autonome Katamarane und Bojen, ausgestattet mit sensiblen Sensoren, ermöglichen die effiziente Überwachung der Wasserqualität in Seen, Lagunen und Flüssen. Eine optimierte drahtlose Kommunikationsinfrastruktur übermittelt die Messdaten zur Einsatzkontrolle.</p></blockquote>
<p>Mit Freude gebe nun ich bekannt, dass HydroNet in den folgenden Medien erwähnt wird:</p>
<ul>
<li><a title="Wächter des Wassers, Aktuelle Technik 10/2011" href="http://blog.antoine.li/files/2011/11/Aktuelle_Technik_Waechter_des_Wassers.pdf" target="_blank">Wächter des Wassers</a>, Antoine Hauck, aktuelle technik 10/2011</li>
<li><a title="Babel Multi-hop Routing for TinyOS Low-power Devices" href="http://blog.antoine.li/files/2011/09/babel_paper.pdf" target="_blank">Babel Multi-hop Routing for TinyOS Low-power Devices</a>, Antoine Hauck, Peter Sollberger, UBICOMM 2011</li>
<li><a title="Gewässerschutz per Hightech, 20 min, 20. Oktober 2011" href="http://www.20min.ch/news/zentralschweiz/story/Gewaesserschutz-per-Hightech-23804011" target="_blank">Gewässerschutz per Hightech</a>, Marcel Habegger, 20 min, 20. Oktober 2011</li>
<li><a title="Schwimmende Roboter für den Gewässerschutz, Wissen aktuell DRS1" href="http://blog.antoine.li/files/2011/11/wissen-aktuell_201111041515_10199264.mp3" target="_blank">Schwimmende Roboter für den Gewässerschutz</a>, Jürg Oehninger, Wissen aktuell DRS1, 4. November 2011</li>
<li><a title="Schwimmende Roboter für den Gewässerschutz, Hochschule Luzern - Das Magazin 3/2011" href="http://blog.antoine.li/files/2011/11/Hochschule-Luzern-Das_Magazin_Schwimmende_Roboter_fuer_den_Gewaesserschutz.pdf" target="_blank">Schwimmende Roboter für den Gewässerschutz</a>, Sigrid Cariola, Hochschule Luzern 3/2011</li>
</ul>
<div>Durch die Medienpräsenz hoffen wir natürlich, dass potentielle künftige Partner auf das Projekt und die Resultate aufmerksam werden.</div>
<div>Nun sind es nur noch knapp drei Wochen, wo ich noch an der Hochschule Luzern arbeite bevor ich auf die lange Reise gehe.</div>
<div>Mit Hochdruck arbeite ich daran unser Forschungsprojekt abzuschliessen. Auch die <a title="UBICOMM 2011" href="http://www.iaria.org/conferences2011/UBICOMM11.html" target="_blank">UBICOMM 2011</a> Konferenz steht kurz bevor wofür ich noch meinen kurzen Talk vorbereiten darf.</div>
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<enclosure url="http://blog.enterpriselab.ch/tahauck/files/2011/11/wissen-aktuell_201111041515_10199264.mp3" length="3811620" type="audio/mpeg" />
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		<title>Erster itgirls@hslu Workshop war ein Erfolg</title>
		<link>http://blog.antoine.li/2011/10/18/erster-it-girls-workshop-war-ein-erfolg/</link>
		<comments>http://blog.antoine.li/2011/10/18/erster-it-girls-workshop-war-ein-erfolg/#comments</comments>
		<pubDate>Tue, 18 Oct 2011 10:58:32 +0000</pubDate>
		<dc:creator>Antoine Hauck</dc:creator>
				<category><![CDATA[Work@HSLU T&A]]></category>
		<category><![CDATA[it girls]]></category>

		<guid isPermaLink="false">http://blog.antoine.li/?p=474</guid>
		<description><![CDATA[Der Frauenanteil ist in der Informatik leider immer noch sehr tief. Dabei wären Frauen sehr gut für diese Branche geeignet. Viele setzen die Informatik mit dem noch weit verbreiteten (und meiner Ansicht auch falschem) Image von ungepflegten und introvertierten Nerds in Verbindung. Dabei ist dies überhaupt nicht der Fall. In der Informatik sind Kreativität, Selbstkompetenz, [...]]]></description>
			<content:encoded><![CDATA[<p>Der Frauenanteil ist in der Informatik leider immer noch sehr tief.<br />
Dabei wären Frauen sehr gut für diese Branche geeignet.</p>
<p>Viele setzen die Informatik mit dem noch weit verbreiteten (und meiner Ansicht auch falschem) Image von ungepflegten und introvertierten Nerds in Verbindung.<br />
Dabei ist dies überhaupt nicht der Fall. In der Informatik sind Kreativität, Selbstkompetenz, Methodik und auch Sozialkompetenzen (Kundenkontakt etc.) gefragt. Hinter der Informatik stehen keine PC-Freaks dahinter, die tagelang im Keller vor dem PC sitzen. Es sind engagierte Persönlichkeiten, die einen vielfältigen Beruf ausüben und Freude daran haben Herausforderungen anzupacken und diese zu meistern.</p>
<p>Ich bin überzeugt, dass mehr Frauen in der IT-Branche einen positiven Effekt auf diese hätten.<br />
Die noch von Männer dominierte Domäne würde aufgemischt werden und es würden sich neue Synergien zwischen den beiden Geschlechtern ermöglichen.</p>
<p>Die Hochschule Luzern engagiert sich mit einem dreitägigen Ferienprogramm für 14- bis 16-jährige Schülerinnen dem weiblichen Nachwuchs die IT näher zu bringen und Vorurteile  aus dem Weg zu schaffen.</p>
<p>Das Ferienprogramm &#8220;ITgirls@hslu&#8221; besteht aus mehreren Workshops und Exkursionen und soll den Schülerinnen vermitteln, wie aufregend und vielfältig Informatik sein kann.</p>
<p>Folgende Punkte stehen auf dem <a title="itgirls@hslu Programm" href="http://www.hslu.ch/technik-architektur/t-itgirls.htm">Programm</a>:</p>
<ul>
<li>Besuch der <a title="I-Factory" href="http://verkehrshaus.ch/de/museum/i-factory/">I-Factory</a> im Verkehrshaus</li>
<li>Erstellen von interaktiven Animation mit <a title="Alice" href="http://www.alice.org/">Alice</a></li>
<li>Vorführung des <a title="iHomeLab" href="http://www.ihomelab.ch/">iHomeLabs</a></li>
<li>Exkursion im <a title="Microsoft Innovation Center" href="http://www.microsoft.com/switzerland/executive-circle/de/sic/innovation-center.mspx">Microsoft Innovation Center</a></li>
<li>Musik mit dem PC komponieren</li>
<li>und mehr&#8230;</li>
</ul>
<div>Die Teilnahme ist <strong>kostenlos</strong>. Weitere Kurse sind für April und Oktober 2012 geplant.<br />
<a title="IT-Girls Infos" href="http://www.hslu.ch/technik-architektur/t-itgirls.htm">Weitere Infos</a></div>
<h3>Erfolgreicher Workshop</h3>
<p>Der erste Kurs von ITgirls@hslu war schon seit längerem ausgebucht. Das Feedback der 39 Teilnehmerinnen war sehr gut. Sie hatten sichtlich ihren Spass und waren begeistert von der Vielfalt, die in der IT steckt.</p>
<p>Auch die Medien wurden aufmerksam und berichteten:</p>
<ul>
<li>NLZ Artikel &#8220;<a href="http://blog.antoine.li/files/2011/10/NLZ-Bericht.pdf">Schülerinnen reissen sich um Workshop</a>&#8221; vom 13. Oktober 2011</li>
<li>DRS1 <a title="Hochschule weckt bei Mädchen Freude an Informatik" href="http://www.drs1.ch/www/de/drs1/nachrichten/regional/zentralschweiz/298993.hochschule-weckt-bei-maedchen-freude-an-informatik.html">RegioJournal Zentralschweiz</a> vom 11. Oktober 2011 (hihi, für DRS1 heisse ich Hank und nicht Hauck <img src='http://blog.antoine.li/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley' /> )</li>
</ul>
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		<title>HydroNet and the Babel Routing Protocol</title>
		<link>http://blog.antoine.li/2011/09/05/babel/</link>
		<comments>http://blog.antoine.li/2011/09/05/babel/#comments</comments>
		<pubDate>Mon, 05 Sep 2011 13:26:28 +0000</pubDate>
		<dc:creator>Antoine Hauck</dc:creator>
				<category><![CDATA[nesC]]></category>
		<category><![CDATA[Babel]]></category>
		<category><![CDATA[FP7]]></category>
		<category><![CDATA[HydroNet]]></category>
		<category><![CDATA[routing]]></category>

		<guid isPermaLink="false">http://blog.antoine.li/?p=444</guid>
		<description><![CDATA[This year I&#8217;ve had the task to develop a subset implementation of the Babel routing protocol for low-power wireless devices running the TinyOS operating system. This was done to satisfy the communication requirements (especially to overcome long distances over the air) for the HydroNet project. At the beginning of this article I will give you an overview of this [...]]]></description>
			<content:encoded><![CDATA[<p>This year I&#8217;ve had the task to develop a subset implementation of the <a title="Babel - a loop-avoiding distance-vector routing protocol" href="http://www.pps.jussieu.fr/~jch/software/babel/" target="_blank">Babel</a> routing protocol for low-power wireless devices running the <a title="TinyOS" href="http://tinyos.net/" target="_blank">TinyOS </a>operating system. This was done to satisfy the communication requirements (especially to overcome long distances over the air) for the <a title="HydroNet" href="http://www.hydronet-project.eu/">HydroNet</a> project. At the beginning of this article I will give you an overview of this amazing project. Afterwards I will explain you the functionality and advantages of Babel, which was primarily designed for wireless mesh networks.</p>
<h1>HydroNet &#8211; The Guardians of Water</h1>
<p>HydroNet is aimed at designing and developing an autonomous network of sensors to improve the monitoring of water quality in rivers, lakes and lagoons. This autonomous network consists of unmanned catamarans and buoys. Each catamaran or buoy (I will call them simply nodes) is equipped with optical, chemo- and bio-sensors to detect water pollutants like mercury, cadmium, oil and many others. The mission area is 10 x 3 km for open waters (sea, ocean) and 15 km for closed waters (creeks, rivers). Mission and measurement data is exchanged wirelessly between nodes and to the base station at the coast in real-time. Communication problems arise in the mission area due to the long distances, frequency regulations, reflections and obstacles (like ships, river bends). A communication infrastructure had to be built to overcome those challenges.</p>
<p>HydroNet is supported by the <a title="FP7" href="http://cordis.europa.eu/fp7/home_en.html" target="_blank">Seventh Framework Programme</a> (FP7) from the European Commission and involves ten partners from six countries. Two competence centers at the <a title="HSLU T&amp;A" href="http://english.hslu.ch/" target="_blank">Lucerne University of Applied Sciences and Arts</a> were assigned to build the communication infrastructure. The <a title="CC Electronics" href="http://www.hslu.ch/electronics" target="_blank">CC Electronics</a> center designed and developed the hardware and the <a href="http://www.hslu.ch/technik-architektur/t-forschung-entwicklung/t-forschung_entwicklung_informatik/t-forschung_entwicklung_informations_softwaresicherheit.htm" target="_blank">D3S </a>(where I work) center implemented the firmware including the routing protocol.</p>
<p>But first lets look at the video to get a better impression of the project:</p>
<p><a href="http://blog.antoine.li/2011/09/05/babel/"><em>Click here to view the embedded video.</em></a></p>
<p>The communication infrastructure consists mainly of the following components:</p>
<ul>
<li>self-made antenna</li>
<li>TI MSP430 ultra-low-power micro-controller (10K RAM, 48K ROM, running @ 8MHz)</li>
<li>Semtech XE1205 radio transceiver operating in the 443MHz ISM band</li>
<li>An amplifier to boost the signals up to <strong>2.5 Watt</strong>, with overload protection</li>
<li>TinyOS, an open-source operating system</li>
<li>the firmware (written in <a title="nesC" href="http://nescc.sourceforge.net/" target="_blank">nesC</a>), interacts with the node&#8217;s main computer, handling the radio communication and routing</li>
</ul>
<p>The hardware components are designed for low-power usage. This is necessary to extend the battery lifetime of the nodes and increase the mission time without human intervention. Of course low-power is generally coupled to limited resources. Therefore you can&#8217;t add any extra sugar to your firmware and you need to develop very economically.<br />
The amplifier and the antenna enable to overcome distances up to 3km above the sea (antenna 2m above sea level), but it&#8217;s still not enough to cover the whole mission area. Therefore a routing-protocol came into play to allow nodes to act as repeaters. Intermediate nodes on a path can forward data packets to the destination node which is out of range from the originator.</p>
<h1>Babel, route me</h1>
<p>As partly mentioned, several challenges needed to be achieved by the routing protocol to maintain a reliable communication within the participants:</p>
<ul>
<li>minimal operational data, like routing tables, buffered messages (10K RAM)</li>
<li>small footprint (48K ROM)</li>
<li>low processing load (only 8MHz)</li>
<li>especially designed for wireless mesh networks</li>
<li>minimal and efficient bandwidth utilization (avoid collisions, routing-loops, routing overhead)</li>
<li>react fast to mobility changes (the catamarans are moving permanently)</li>
<li>low power consumption (the radio + amplifier are very hungry)</li>
<li>support research &amp; development</li>
</ul>
<p>Our evaluation of different routing protocols led us to Babel, because its features looked very promising to fulfill the project requirements. Juliusz Chroboczekhas specified Babel in the <a title="RFC 6126" href="http://tools.ietf.org/html/rfc6126">RFC 6126</a>, which changed its state from <em>draft</em> to <em>experimental</em> in April 2011. He also has developed a stable daemon of Babel (babeld). More information, sources and binaries for Debian/Ubuntu and also for OpenWRT can be found on his <a title="Babel" href="http://www.pps.jussieu.fr/~jch/software/babel/" target="_blank">official page</a>. Also his <a title="Babel slides" href="http://www.pps.jussieu.fr/~jch/software/babel/babel-funkfeuer.pdf" target="_blank">slides</a> from a talk about Babel explain well the protocol.</p>
<p>I will summarize some of the main, and in my opinion also very impressive, features of the protocol:</p>
<div>
<ul>
<li>distance-vector routing protocol (less computational complexity, less overhead, saves memory)</li>
<ul>
<li>babeld has only 8000 lines of code</li>
</ul>
<li>proactive protocol, with reactive features</li>
<ul>
<li>speeds up convergence by reactively requesting new routing information when a node suffers from route starvation</li>
</ul>
<li>based on the ideas in <a href="http://en.wikipedia.org/wiki/DSDV">DSDV</a>, <a href="http://moment.cs.ucsb.edu/AODV/aodv.html">AODV</a> and Cisco&#8217;s <a href="http://en.wikipedia.org/wiki/EIGRP">EIGRP</a></li>
<li>designed to work in wired and wireless mesh network simultaneously</li>
<li>runs on IPv4 and IPv6 simultaneously</li>
<li>feasibility condition guarantees loop-freedom</li>
<li>senses link quality for computing route metrics using variant of the ETX algorithm (more adequate for wireless links)</li>
<li>also radio-frequency aware to avoid interference</li>
</ul>
</div>
<h2>The subset implementation</h2>
<p>Of course, some of the features from Babel are not required or appropriate for the HydroNet project (like IPv6, operation in wired networks). Therefore I designed and have developed a subset implementation of the Babel routing protocol for the TinyOS operating system, to fit the needs for HydroNet.</p>
<p>I&#8217;ve described the considerations and optimizations in the <em>Work in Progress</em> paper <a href="http://blog.antoine.li/files/2011/09/babel_paper.pdf">Babel multi-hop routing for TinyOS low-power devices</a>, which will be published at the <a title="UBICOMM 2011" href="http://www.iaria.org/conferences2011/UBICOMM11.html" target="_blank">UBICOMM 2011</a>.</p>
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		<title>Sind Zürichs Dönerläden rassistisch?</title>
		<link>http://blog.antoine.li/2011/04/25/sind-zurichs-donerladen-rassistisch/</link>
		<comments>http://blog.antoine.li/2011/04/25/sind-zurichs-donerladen-rassistisch/#comments</comments>
		<pubDate>Mon, 25 Apr 2011 12:17:40 +0000</pubDate>
		<dc:creator>Antoine Hauck</dc:creator>
				<category><![CDATA[Fun]]></category>

		<guid isPermaLink="false">http://blog.antoine.li/?p=436</guid>
		<description><![CDATA[3 Uhr morgens in Zürich. Die Party ist vorbei und etwas Energie tanken würde nicht schaden. Also gehe ich in einen Dönerladen. Doch statt dem Gebratenen Reis (Nasi Goreng) gibts einen Gebratenen Nazi Aber seht doch am besten selbst.]]></description>
			<content:encoded><![CDATA[<p>3 Uhr morgens in Zürich. Die Party ist vorbei und etwas Energie tanken würde nicht schaden.</p>
<p>Also gehe ich in einen Dönerladen. Doch statt dem Gebratenen Reis (Nasi Goreng) gibts einen Gebratenen Nazi <img src='http://blog.antoine.li/wp-includes/images/smilies/icon_smile.gif' alt=':)' class='wp-smiley' />  Aber seht doch am besten selbst.</p>
<p><a href="http://blog.antoine.li/files/2011/04/Nazi_Goreng.jpg"><img class="aligncenter size-full wp-image-437" src="http://blog.antoine.li/files/2011/04/Nazi_Goreng.jpg" alt="Nazi Goreng" width="598" height="403" /></a></p>
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		<title>Höhenflug mit Delta-Modellflieger über der HSLU T&amp;A</title>
		<link>http://blog.antoine.li/2011/04/22/hohenflug-mit-delta-modellflieger-uber-der-hslu-ta/</link>
		<comments>http://blog.antoine.li/2011/04/22/hohenflug-mit-delta-modellflieger-uber-der-hslu-ta/#comments</comments>
		<pubDate>Fri, 22 Apr 2011 19:34:04 +0000</pubDate>
		<dc:creator>Antoine Hauck</dc:creator>
				<category><![CDATA[Fliegen]]></category>
		<category><![CDATA[camera]]></category>
		<category><![CDATA[flying]]></category>
		<category><![CDATA[FPV]]></category>
		<category><![CDATA[swift]]></category>

		<guid isPermaLink="false">http://blog.antoine.li/?p=405</guid>
		<description><![CDATA[Was macht man mit einem iPod mit eingebauter Kamera, einem Swift 2 Delta-Modellflieger, einem total überdimensioniertem Motor und einem Dach auf ca. 25m Höhe? Richtig, man füge all diese Komponenten zusammen und schlussendlich entsteht ein Film in atemberaubender Höhe über Horw. PS: Leider war die Kamera zu nahe am Motorenregler angebracht, darum die lästigen Wellenmuster [...]]]></description>
			<content:encoded><![CDATA[<p>Was macht man mit einem iPod mit eingebauter Kamera, einem Swift 2 Delta-Modellflieger, einem total überdimensioniertem Motor und einem Dach auf ca. 25m Höhe?</p>
<p>Richtig, man füge all diese Komponenten zusammen und schlussendlich entsteht ein Film in atemberaubender Höhe über Horw.</p>
<p><a href="http://blog.antoine.li/2011/04/22/hohenflug-mit-delta-modellflieger-uber-der-hslu-ta/"><em>Click here to view the embedded video.</em></a></p>
<p>PS: Leider war die Kamera zu nahe am Motorenregler angebracht, darum die lästigen Wellenmuster im Film. Beim nächsten Mal kommts sicher besser, versprochen <img src='http://blog.antoine.li/wp-includes/images/smilies/icon_wink.gif' alt=';)' class='wp-smiley' /> </p>
<p>Hier noch ein kurzes Video von einem schnellen Takeoff vom Boden aus. Der Motor würde noch einiges mehr leisten, es wäre auch möglich direkt senkrecht zu starten <img src='http://blog.antoine.li/wp-includes/images/smilies/icon_biggrin.gif' alt=':-D' class='wp-smiley' /> </p>
<p><a href="http://blog.antoine.li/2011/04/22/hohenflug-mit-delta-modellflieger-uber-der-hslu-ta/"><em>Click here to view the embedded video.</em></a></p>
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		<title>stackoverflow is EVIL</title>
		<link>http://blog.antoine.li/2011/04/22/stackoverflow-is-evil/</link>
		<comments>http://blog.antoine.li/2011/04/22/stackoverflow-is-evil/#comments</comments>
		<pubDate>Fri, 22 Apr 2011 15:03:33 +0000</pubDate>
		<dc:creator>Antoine Hauck</dc:creator>
				<category><![CDATA[Fun]]></category>

		<guid isPermaLink="false">http://blog.antoine.li/?p=395</guid>
		<description><![CDATA[Haha, recently I logged in on stackoverflow and recognized that I&#8217;ve got some additional reputation points. Look at the number I also added the Stack Overflow Widget to show the actual stackoverflow points on in WordPress. Thank to Steve Robins.]]></description>
			<content:encoded><![CDATA[<p>Haha, recently I logged in on <a href="http://www.stackoverflow.com">stackoverflow</a> and recognized that I&#8217;ve got some additional reputation points.</p>
<p>Look at the number <img src='http://blog.antoine.li/wp-includes/images/smilies/icon_wink.gif' alt=';)' class='wp-smiley' /> </p>
<p><a href="http://blog.antoine.li/files/2011/04/SO666.png"><img class="alignnone size-full wp-image-399" src="http://blog.antoine.li/files/2011/04/SO666.png" alt="" width="484" height="353" /></a></p>
<p>I also added the <a href="http://www.grumpydev.com/2009/01/09/stack-overflow-wordpress-widget/">Stack Overflow Widget</a> to show the actual stackoverflow points on in WordPress. Thank to <a href="http://www.grumpydev.com/">Steve Robins</a>.</p>
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