Can helicopters fly upside down?
In theory (and in miniature), they can — but this isn’t something your average helicopter is built to do. Stunt shows are, of cou...
How can a snail crawl upside-down on the underside of the surface of a pond?
A water snail can walk on water (so to speak) because it finds the perfect balance between surface tension and viscous drag…
No Bounds to How Much We Can Think
MIT senior and native of Cameroon, Pelkins Ajanoh, believes “in the future where [his] great grandkids are going to be surprised th...
Can we track the whereabouts of our dog using a passive microchip?
Yes, but you need to keep him on a very special leash.
Can we make robots that experience emotions?
Sadly, robots just aren’t feeling it
How can I tell if a certain tree is big enough to support a 30-foot zip line?
Get out your calculators, it’s time to do some math…
Can we use heat generated from an air conditioner or refrigerator?
Stroll down the sidewalk past a window-mounted air conditioner on an August afternoon and you’ll feel the heat. Place your hand at ...
Are there materials that can absorb heat without becoming hot?
There are, and they have some surprising uses…
How can the average homeowner become energy-independent?
It’s easier said than done, unless you’re building from the ground up…
How can harmful substances be removed from waste water?
It’s not a pretty sight: Water discharged by home toilets, restaurant dishwashers, agricultural runoff, manufacturing processes, an...