links for 2009-05-19

  • "Questions to be answered: How much energy would the bike need to go 50 miles? How much power (average) could you expect to get from the solar panels? Andâ¦how long would it take to charge this sucker. I am sure you can store enough energy in a battery to go 50 miles and even a tiny solar cell could charge this - but would it be practical?"
  • "Scientists have devised a new technique for real-time detection of freely moving individual neutral atoms that is more than 99.7% accurate and sensitive enough to discern the arrival of a single atom in less than one-millionth of a second, about 20 times faster than the best previous methods. The system, described in Advance Online Publication at the Nature Physics web site by researchers at the Joint Quantum Institute (JQI) in College Park, MD, and the Universidad de Concepción in Chile, employs a novel means of altering the polarization of laser light trapped between two highly-reflective mirrors, in effect letting the scientists "see" atoms passing through by the individual photons that they scatter."
Tags

More like this

Another electric motorcycle post. (Here is the post on the wind-recharged drag racing motorcycle) This new one is a solar powered motorcycle. The site claims that the bike can go 50 miles on a full charge (from Gas2.org). This is easily possible, but how long would it take to charge with normal…
In which we do a little imaginary Q&A to explain the significance of Tuesday's Nobel Prize to Dave Wineland and Serge Haroche. ------------ I did a quick post Tuesday morning noting that the latest Nobel Prize in Physics was awarded to two big names from my corner of the field. This would've…
Views: In Loco Parentis, Post-Juicy Campus - Inside Higher Ed "With the digital age in full swing, colleges must reconceptualize what it means to act in loco parentis, and how, to the extent they can do anything, they can best serve their students. The answer is not to read into OCR investigations…
So it goes.: A Day in the Life "I wake up to the sun's early morning glow or from the Luganda streaming through my mosquito net, which I'm not sure. It is another day in Uganda, a handful of kilometers beneath the equator. I can easily recall the first days in Africa when the sun did not wrestle…