Archive for January, 2008
Goodbye, textbooks; hello, open-source learning
What if Napster stocked textbooks? Engineering professor Richard Baraniuk talks about his vision for Connexions, an open-source system that lets teachers share digital texts and course materials, modify them and give them to their students — all free, thanks to Creative Commons licensing. About Richard Baraniuk: Rice University professor Richard Baraniuk has a giant vision: [...]
Journey to the center of the Earth … and beyond!
Bill Stone, the maverick cave explorer who invented robots and dive equipment that have allowed him to plumb Earth’s deepest abysses, explains his efforts to build a robot to explore Jupiter’s moon Europa. The plan is to send the machine to bore through miles of ice and swim through a liquid underworld that may harbor [...]
Lightning calculation and other “Mathemagic”
In a lively show, “mathemagician” Arthur Benjamin races a team of calculators to figure out 3-digit squares in his head, performs a massive mental calculation, and guesses a few birth days. How does he do it? He’ll be happy to tell you. About Arthur Benjamin: Arthur Benjamin makes numbers dance. In his day job, he’s [...]
Winning the Oil Endgame
Energy guru Amory Lovins lays out his plan for weaning the US off oil and revitalizing the economy in the process. It’s the subject of his book Winning the Oil Endgame, and he makes it sound fairly simple: On one hand, the deadly risks of continued dependency, and on the other, some win-win solutions. About [...]
