ScienceDaily: Strange Science News |
- Weighing space dust with radar
- Radioactive elements may be crucial to the habitability of rocky planets
- Black hole or no black hole: On the outcome of neutron star collisions
- Scientists have discovered an ancient lake bed deep beneath the Greenland ice
- The universe is getting hot, hot, hot, a new study suggests
- Mining rocks in orbit could aid deep space exploration
- Skills development in Physical AI could give birth to lifelike intelligent robots
- 'Electronic skin' promises cheap and recyclable alternative to wearable devices
| Weighing space dust with radar Posted: 10 Nov 2020 04:09 PM PST It is thought that over 1,000 kilograms of so-called interplanetary dust falls to Earth every day. This dust is essentially an untold number of small faint meteors, discarded remnants of asteroids and comets that pass by the Earth. Two ways to study faint meteors are radar and optical observations, each with advantages and limitations. Astronomers have combined specific observations with both methods, and can now use radar to make the kinds of observations that previously only optical telescopes could make. |
| Radioactive elements may be crucial to the habitability of rocky planets Posted: 10 Nov 2020 12:11 PM PST The amount of long-lived radioactive elements incorporated into a rocky planet as it forms may be a crucial factor in determining its future habitability. That's because internal heating from the radioactive decay of the heavy elements thorium and uranium drives plate tectonics and may be necessary for the planet to generate a magnetic field. Earth's magnetic field protects the planet from solar winds and cosmic rays. |
| Black hole or no black hole: On the outcome of neutron star collisions Posted: 10 Nov 2020 10:32 AM PST A new study investigates black-hole formation in neutron star mergers. Computer simulations show that the properties of dense nuclear matter play a crucial role, which directly links the astrophysical merger event to heavy-ion collision experiments at GSI and FAIR. These properties will be studied more precisely at the future FAIR facility. |
| Scientists have discovered an ancient lake bed deep beneath the Greenland ice Posted: 10 Nov 2020 10:31 AM PST Scientists have detected what they say are the sediments of a huge ancient lake bed sealed more than a mile under the ice of northwest Greenland. |
| The universe is getting hot, hot, hot, a new study suggests Posted: 10 Nov 2020 10:31 AM PST The universe is getting hotter, a new study has found. The study probed the thermal history of the universe over the last 10 billion years. It found that the mean temperature of gas across the universe has increased more than 10 times over that time period and reached about 2 million degrees Kelvin today -- approximately 4 million degrees Fahrenheit. |
| Mining rocks in orbit could aid deep space exploration Posted: 10 Nov 2020 08:25 AM PST The first mining experiments conducted in space could pave the way for new technologies to help humans explore and establish settlements on distant worlds, a study suggests. |
| Skills development in Physical AI could give birth to lifelike intelligent robots Posted: 10 Nov 2020 08:25 AM PST New research suggests combining educational topics and research disciplines to help researchers breathe life into lifelike intelligent robots. |
| 'Electronic skin' promises cheap and recyclable alternative to wearable devices Posted: 10 Nov 2020 05:16 AM PST Researchers are developing a wearable electronic device that's 'really wearable' -- a stretchy and fully-recyclable circuit board that's inspired by, and sticks onto, human skin. |
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