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- Experiments unravelling the mystery of Mars' moon Phobos
- Ultrathin spray-applied MXene antennas are ready for 5G
- Puzzling 'cold quasar' forming new stars in spite of active galactic nucleus
- Getting to the core of nuclear speckles
- Game changer in thermoelectric materials could unlock body-heat powered personal devices
- New Hubble data explains missing dark matter
- Earth faster, closer to black hole, in new map of galaxy
- Keyhole wasps may threaten aviation safety
- Miniscule robots of metal and plastic
| Experiments unravelling the mystery of Mars' moon Phobos Posted: 30 Nov 2020 10:15 AM PST There is no weather in space - but there is weathering: Celestial bodies are bombarded by high energy particles. On the Mars moon Phobos, the situation is complicated: It is hit by particles from the sun, but it is partly shielded by Mars. New experiments explain what is going on, in 2024 a space mission will reach Phobos and check the results. |
| Ultrathin spray-applied MXene antennas are ready for 5G Posted: 30 Nov 2020 10:14 AM PST New antennas so thin that they can be sprayed into place are also robust enough to provide a strong signal at bandwidths that will be used by fifth-generation (5G) mobile devices. Performance results for the antennas, which are made from a new type of two-dimensional material called MXene, could have rammifications for mobile, wearable and connected 'internet of things' technology. |
| Puzzling 'cold quasar' forming new stars in spite of active galactic nucleus Posted: 30 Nov 2020 08:35 AM PST Using NASA's SOFIA telescope, researchers have found CQ 4479, a galaxy which never had been closely studied before, to be generating new stars in spite of a luminous AGN at the galaxy's center. |
| Getting to the core of nuclear speckles Posted: 30 Nov 2020 08:35 AM PST Scaffold of sub-cellular structures identified after a hundred years. |
| Game changer in thermoelectric materials could unlock body-heat powered personal devices Posted: 30 Nov 2020 08:35 AM PST A breakthrough improvement in ultra-efficient thermoelectric materials, which can convert heat into electricity and vice versa, has great potential for applications ranging from low-maintenance, solid-state refrigeration to compact, zero-carbon power generation--possibly including small, personal devices powered by the body's own heat. Heat 'harvesting' takes advantage of the free, plentiful heat sources provided by body heat, automobiles, everyday living, and industrial process. |
| New Hubble data explains missing dark matter Posted: 30 Nov 2020 08:35 AM PST The missing dark matter in certain galaxies can be explained by the effects of tidal disruption: the gravity forces of a neighboring massive galaxy, literally tearing the smaller galaxy apart. |
| Earth faster, closer to black hole, in new map of galaxy Posted: 30 Nov 2020 07:12 AM PST Earth 'just got' 7 km/s faster and about 2000 light-years closer to the supermassive black hole in the center of the Milky Way Galaxy. But don't worry, this doesn't mean that our planet is critical. Instead the changes are results of a better model of the Milky Way Galaxy based on new observation data, including a catalog of objects observed over the course of more than 15 years. |
| Keyhole wasps may threaten aviation safety Posted: 26 Nov 2020 05:59 AM PST A new study finds that invasive keyhole wasps at the Brisbane Airport were responsible for instances of fully blocked replica pitot probes -- vital instruments that measure airspeed. The results underscore the importance of risk-mitigating strategies, such as covering pitot probes when aircraft arrive and setting up additional traps to intercept the wasps. |
| Miniscule robots of metal and plastic Posted: 24 Nov 2020 08:13 AM PST Researchers have developed a technique for manufacturing micrometer-long machines by interlocking multiple materials in a complex way. |
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