One often-cited alternative to gasoline-powered cars is hydrogen. Editors Michael Kanellos and Brian Cooley took a look at one example of a hydrogen-powered test car, a small Mercedes. To keep Kanellos from endangering himself and said vehicle, they set the top speed on this hydro-chariot at only 85 miles per hour. Take a look.
Want affordable gadgets for your student?
Everyday finds that will make students' lives easier: chargers, cables, headphones, and even a bona fide gadget or two!