The Physics of Faraday Cages
This also works the other way: Incoming electromagnetic waves will get canceled by the moving charges in the Faraday cage. Your phone won’t know that it’s getting a text message …
physics
First window, then middle, then aisle? United Airlines launches new boarding system
United Airlines is changing the way it boards passengers in economy class this week, reverting to a system where passengers in a window seat will be seated first, followed by …
First window, then middle, then aisle? United Airlines launches new boarding system
United Airlines will start boarding passengers in economy class with window seats first starting on Thursday, a move designed to reduce the time planes spend sitting on the ground. The …
Magnetic Minerals May Have Given Life Its Molecular Asymmetry
Naaman and his team discovered that chiral molecules filter electrons based on the direction of their spin. Electrons with one spin orientation will move more efficiently across a chiral molecule …
How These Nobel-Winning Physicists Explored Tiny Glimpses of Time
The original version of this story appeared in Quanta Magazine. To catch a glimpse of the subatomic world’s unimaginably fleet-footed particles, you need to produce unimaginably brief flashes of light. …
3 scientists win physics Nobel for capturing “very blurry” glimpse of zooming electrons on the move
Stockholm — Three scientists won the Nobel Prize in physics on Tuesday for studying how electrons zip around atoms in fractions of seconds, a field that could one day lead to …
Which Spider-Man Is Stronger: Tobey Maguire or Tom Holland?
Next, I need the mass. Each car has an empty mass of 26,000 kilograms and a capacity of 34 seats, or 123 total passengers. From the clip, the train looks …
Is the Physics of Time Actually Changing?
Time is not to be trusted. This should come as news to no one. Yet recent times have left people feeling betrayed that the reliable metronome laying down the beat …
A New Proof Moves the Needle on a Sticky Geometry Problem
The original version of this story appeared in Quanta Magazine. In 1917, the Japanese mathematician Sōichi Kakeya posed what at first seemed like nothing more than a fun exercise in …
Radiation Is Everywhere. But It’s Not All Bad
For many of the sources you encounter in everyday life, the amount of radiation is so low that you don’t need to worry about it. But ionizing radiation can also …