Uncategorized
- Physics
Trapping atoms in a laser beam offers a new way to measure gravity
A new type of experiment to measure the strength of Earth’s gravity uses atoms suspended in light rather than free-falling atoms.
- Space
Light leaking from a distant galaxy hints at a cosmic makeover’s origins
Ultraviolet light slips through a hole in a distant galaxy’s gas. Older galaxies might have used the trick to ionize most of the universe’s hydrogen.
- Life
Self-destructing mitochondria may leave some brain cells vulnerable to ALS
Mitochondria that appear to dismantle themselves in certain brain cells may be a first step toward ALS, a mouse study suggests.
