Uncategorized
- Earth
Climate change is changing how we keep time
Polar ice sheets are melting faster, slowing Earth’s spin. That is changing how we synchronize our clocks to tell time.
- Space
A new image reveals magnetic fields around our galaxy’s central black hole
Astronomers have captured polarized light coming from the Milky Way’s central supermassive black hole, giving insight into its magnetic fields.
- Physics
A teeny device can measure subtle shifts in Earth’s gravitational field
No bigger than a grain of rice, the heart of the instrument is the latest entrant in the quest to build ever tinier gravity-measuring devices.
- Paleontology
An extinct sofa-sized turtle may have lived alongside humans
Peltocephalus maturin was one of the biggest turtles ever, but unlike similarly sized prehistoric freshwater turtles, it lived thousands of years ago.
