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 [...]
