Featured in september 2008
How Long Would It Take To Walk A Light-Year?
If you burn about 80 calories per mile walked, you’d need two trillion PowerBars to fuel the trip.
Could Robot Aliens Exist?
Ask an astrobiological philosopher!
Inflatable Surveillance Balls for Mars
Round robotic sidekicks scout Martian territory for the next generation of rovers
Big problem, small budget? Tap the affordable talents of brainy undergrads
Go Your Own Way
Whether an epic road trip or just a quick jaunt to the mall, load your drive into your GPS the easy way—by using an online map
Expand your tech arsenal, not your credit-card debt
There's still talk of revolution on campuses. But the 21st-century student has something very different from anarchy on the mind--think hydrogen cars and homes on the moon
"Folding" light again and again provides a lot of magnification in a small space
Handheld Spy Chopper
Hoboken students devise a tiny prototype scout copter
Farming in the Sky
Agriculture is broken. Traditional techniques use too much energy and produce too little food for our growing planet. One fix: skyscrapers filled with robotically tended hydroponic crops and lab-grown meat