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Submission + - World Solar Challenge about to start (solarwebsite.nl)

SustainableJeroen writes: On Sunday morning 08:30 (local time) — that's less than seven hours away — the World Solar Challenge will start. The first solar racing car and its support fleet will depart Darwin to traverse the 3000+ km to Adelaide through the Australian outback. It will be followed at two-minute intervals by 36 other racing teams, from twenty countries from all over the world..

The qualification round, held on Saturday, saw Solar Team Twente secure the first starting position in the race, closely followed by Nuon Solar Team and Michigan University. The top ten times in the qualification round were within eleven seconds of each other, and while driving one lap around a race track is very different from driving 3000 km on a public motorway, it does show that the top cars are quite close in performance.

With the top cars and teams being very, very close to each other it's sure to be a very exciting race. The fastest teams are expected to reach the official finish line just outside Adelaide late Wednesday or early Thursday (local time) after which the teams will continue on for the traditional dive in the fountain on Victoria square in Adelaide.

Submission + - World Solar Challenge starts in two weeks (solarwebsite.nl)

SustainableJeroen writes: "In less than two weeks the bi-annual World Solar Challenge will start. Around forty teams, mostly made up of university students from around the globe, will battle each other for first place in the de facto world championship of solar car racing.

The teams will race each other on the 3000km Stuart highway between Darwin and Adelaide, while dodging road trains, dust devils and kangaroos. The fastest teams will cover this distance in four to five days, while it is by no means certain that all teams will make it to the finish line.

In 2009, the Tokai University team from Japan unexpectedly took first place in this high-tech brain sport, with four-time winner Nuon Solar Team having to settle for second place. Who will win this edition? There are a number of very strong contenders, but as the differences between the top teams and their cars are very, very small it's impossible to say in advance."

Wireless Networking

Citigroup Questions Whether US Spectrum Shortage Exists 131

alphadogg writes "For more than two years, the U.S. mobile industry has warned of an upcoming spectrum shortage, but two analysts at Citigroup don't buy it. AT&T, trade group CTIA and even officials with the U.S. Federal Communications Commission have talked frequently about a coming spectrum crunch, as mobile customers move to data-sucking smartphones and tablets. Smartphones use 24 times the spectrum compared to standard mobile phones, and tablets use 120 times the spectrum, FCC Chairman Julius Genachowski said in a speech on Tuesday. But Citigroup analysts Jason Bazinet and Michael Rollins questioned what has become the conventional wisdom in the mobile industry. The U.S. has plenty of spectrum for mobile broadband, but much of it is in the wrong hands, they said."

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