ScienceDaily: Strange Science News |
- Galactic gamma ray bursts predicted last year show up right on schedule
- This device harvests power from your sweaty fingertips while you sleep
- Simulating microswimmers in nematic fluids
- 'Hydrogel-based flexible brain-machine interface'
- Resilience, not collapse: What the Easter Island myth gets wrong
| Galactic gamma ray bursts predicted last year show up right on schedule Posted: 13 Jul 2021 01:52 PM PDT Astronomers see many periodic emissions from space, typically caused by rotation of stars and often very regular. Astrophysicists noticed a unique periodicity in the soft gamma ray emissions from a magnetar located in our galaxy. The soft gamma repeater SGR1935+2154 appears to emit bursts only within regularly spaced windows, and is inactive in between. Based on their analysis, they predicted a resumption of bursts last month; so far, a dozen have been detected. |
| This device harvests power from your sweaty fingertips while you sleep Posted: 13 Jul 2021 09:03 AM PDT Researchers have developed a new device that harvests energy from the sweat on -- of all places -- your fingertips. To date, the device is believed to be the most efficient on-body energy harvester ever invented, producing 300 millijoules (mJ) of energy per square centimeter without any mechanical energy input during a 10-hour sleep and an additional 30 mJ of energy with a single press of a finger. |
| Simulating microswimmers in nematic fluids Posted: 13 Jul 2021 08:08 AM PDT New research shows how control over self-propelled microswimmers could be achieved using exotic materials named 'nematic liquid crystals' - whose viscosity and elasticity can vary depending on the direction of an applied force. |
| 'Hydrogel-based flexible brain-machine interface' Posted: 13 Jul 2021 06:36 AM PDT A research team revealed a newly developed hydrogel-based flexible brain-machine interface. |
| Resilience, not collapse: What the Easter Island myth gets wrong Posted: 13 Jul 2021 06:01 AM PDT New research suggests that the demographic collapse at the core of the Easter Island myth didn't really happen. |
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