February 12, 2019

Why do airplanes have pressurized cabins?

You can neither see it nor feel it, but the air around you is both crucial to your survival and actually weighs something (which is why […]
February 12, 2019

Why can sailboats sail into the wind?

Seeing a sailboat travel downwind makes sense even to landlubbers. The wind pushes the sails and the boat moves forward. But seeing a sailboat travel upwind […]
February 12, 2019

Why don’t we have flying cars yet?

Science fiction from the last century predicted we’d all be zipping through the sky in the family car by now, so why are we still stuck […]
February 12, 2019

Why don’t we have teleporters yet?

Crowded airports, delays, jet lag – travel by plane can be a real pain. Imagine zipping to Hawaii for a surf session, then zapping to Italy […]