The thickness of lead’s neutron ‘skin’ has been precisely measured0
- From Around the Web, Science & Technology
- May 5, 2021
The atom’s nucleus is surrounded by a neutron shell just 0.28 trillionths of a millimeter thick

The atom’s nucleus is surrounded by a neutron shell just 0.28 trillionths of a millimeter thick

A first-of-its-kind study by SFU finds that Indigenous forest gardens filled with fruit and nut trees are still thriving, at least 150 years later

It’s a big week for big asteroids as two huge space rocks at least the size of football fields—but potentially much bigger—are due to make a close approach to Earth.

A blinding flash of light, something unidentified overhead or aliens at the door. Somewhere the truth is out there.

Federal agencies are investigating at least two possible incidents on US soil, including one near the White House in November of last year, that appear similar to mysterious, invisible attacks that have led to debilitating symptoms for dozens of US personnel abroad.

More than a year into a very real crisis, experts gathered virtually to confront a second emergency, a potential asteroid impact — but this disaster, fortunately, was entirely hypothetical.

With enough water, underground Mars rocks could support microbial life, a new study says.

The Ingenuity helicopter proved it could fly on Mars. Now it has loftier goals. Having passed all its original engineering tests, the tiny spacecraft will now begin a new job, supporting the Perseverance rover in its science mission.

Voyager 1 continues to observe the farthest corners of the solar system—but it may not for long.

The experiment also shows that astronauts can make rocket fuel for their trip back to Earth



