Sampling at Ny-Ålesund, Svalbard. Credit: Marco Vecchiato Traces of sunscreen agents were found at the North Pole, on the glaciers of the Svalbard archipelago. They were mainly deposited in winter, …
The rubber band example does indeed have two nodes—they are at the ends of the rubber band where your fingers hold it. We only have half a wavelength in the …
A few years ago, the researchers decided to put a superconducting metal called strontium ruthenate in their crosshairs. Its structure is similar to that of a mysterious class of copper-based …
“Where did all this come from? How did it all get started?” These are the questions that Dr. Nergis Mavalvala asks about the universe. It’s not the meaning-of-life stuff in …
Christian Spencer became well-known for his stunning photos of hummingbirds that show rainbows in their wings, it’s a specialized technique of shooting the amazing birds, one which Spencer pioneered. Now …
.jpg "Dr. Sabrina Gonzalez Pasterski Will Change How You Think About Space")
She was also worried about the strong personalities she’d have to deal with in aerospace. “I was always scared something bad would happen and these private equity guys would just …
-copy.jpg "Starquakes Might Solve the Mysteries of Stellar Magnetism")
That was a surprise—and a possible indication that something crucial was missing in those models: magnetism. Stellar Symmetry Last year, Gang Li, an asteroseismologist now at KU Leuven, went digging …
Not only do I get the “shape” of the acceleration curve for the colliding cart, but I also get a maximum acceleration of –6.67 meters per second squared. With that …
There’s some cool stuff going on here. Notice that for the objects with air resistance, they all reach incredibly high velocities as they fall in the upper atmosphere where they …
This Halloween, when you grab a candy bar, pay attention to the wrapper. In the United States, a “nutrition facts” label has been required for all packaged foods since 1994, …