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Can an Airplane Take Off on a Moving Runway?

March 20, 2019 | Story | No Comments

This question is probably as old as the airplane itself. It goes something like this: The first question a reasonable person would ask is "Where do you get a giant plane-sized treadmill that goes 100 mph?" Yes, that is indeed a good question—but I won't answer it. Instead, I'm going to give this question the […]

Schedule surgeries, earnings calls, and therapy appointments before noon. Score the biggest bucks by switching jobs every three to five years. The ideal age to get hitched (and avoid divorce): 32. In his new book, When: The Scientific Secrets of Perfect Timing, Daniel Pink scours psychological, biological, and economic studies to explore what he calls […]

How to Run Up a Wall—With Physics!

March 20, 2019 | Story | No Comments

I can't decide if this looks like something from a super hero movie or from a video game. In this compilation video of crazy stunts, a guy somehow finds a way to bound up between two walls by jumping from one to the other. "Somehow," of course, means with physics: This move is based on […]

3 Smart Things: The Hidden Lives of Liquids

March 20, 2019 | Story | No Comments

1. Most substances make a clean break between their liquid and solid states. But liquid crystals straddle the boundary: They flow smoothly, like water, while maintaining a crystalline structure. A tiny jolt of electricity aligns the molecules in the same direction and allows them to rotate light—an effect you see when the pixels in your […]

Nearly 300 million years ago, a curious creature called Orobates pabsti walked the land. Animals had just begun pulling themselves out of the water and exploring the big, dry world, and here was the plant-eating tetrapod Orobates, making its way on four legs. Paleontologists know it did so because one particularly well-preserved fossil has, well, […]

For the last two days, a colossal, coursing stream of super-soaked subtropical air has been pummeling California with record-shattering amounts of moisture. On Wednesday, parts of northern California received more snow in a day than New England cities like Boston have seen all winter. On Thursday, Palm Springs got eight months’ worth of rain in […]