School of Rock: The Physics of Waves on Guitar Strings
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 …
physics
An Invisible ‘Demon’ Lurks in an Odd Superconductor
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 …
Dr. Nergis Mavalvala Detected the First Gravitational Wave. Her Work Doesn’t Stop There
“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 …
Dr. Sabrina Gonzalez Pasterski Will Change How You Think About Space
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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 …
Starquakes Might Solve the Mysteries of Stellar Magnetism
-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 …
How to Measure the Impact From a Collision
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 …
NEET-UG eligibility expanded: PCM Candidates or Biotechnology now eligible for NEET-UG |
NEW DELHI:Students who studied physics, chemistry, biology, or biotechnology in addition to English in class 12 from duly recognised boards will be eligible to take the NEET-UG exam. The National …
Could a Cockroach Survive a Fall From Space?
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 …
The First Small-Scale Nuclear Plant in the US Died Before It Could Live
The plan for the first small-scale US nuclear reactor was exciting, ambitious, and unusual from the get-go. In 2015, a group of city- and county-run utilities across the Mountain West …
How to Measure the Calories in a Candy Bar—With Physics!
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, …