The Red Planet's spin is speeding up a hair fast enough to shorten the length of a Martian day by a fraction of a millisecond per year. NASA's Mars Insight lander died a few months ago, no longer able to generate power from its dust-covered solar panels, but scientists continue to ...
Most cell phones today have cameras, and WiMo makes good use of the one built into its brain. The part of WiMo that holds the phone is on a disk attached to a motor. One of the things WiMo knows how to do is spin the phone around to point the camera at you, take a picture, an...
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In December, Google DeepMind revealed an experimental new web-browsing agent called Mariner. In the middle of a preview demo that the company gave toMIT Technology Review, Mariner seemed to get stuck. Megha Goel, a product manager at the company, had asked the agent to find her a recipe fo...
While the laws of gravity work just fine to model what we need in sufficient detail, there is still confusion of what causes the observed phenomenon of attraction between masses. We have the proponents of “pushing gravity” who say it’s the fluid aether pushing things together. Then there ...
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The flip causes the electromagnet to complete another half turn of motion. If the field of the electromagnet were flipped at precisely the right moment at the end of each half turn of motion, the electric motor would spin freely. How a DC Motor Works There are two magnets in the motor ...
Okay, so things spin around as well as shift about generally. What of it? Well, the big takeaways about rotational motion are that: 1) It has mathematical analogs in the world of linear or translational motion that make studying either one in the context of the other extrem...
The larger the mass or the faster the acceleration, the stronger the gravitational wave. What types of events create these waves? All gravitational systems can create gravitational waves. However, gravitational waves are very weak. Even Einstein believed it would be nearly impossible to detect ...
It helps to keep your wound moist, which can help it heal faster. However, petroleum jelly in a tub may harbor germs, and that’s the last thing you want to put on your healing wound. Healing dos and don’ts You should follow several dos and don’ts to help your ear piercings heal...