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| Tiny robotic crab is smallest-ever remote-controlled walking robot Posted: 25 May 2022 12:17 PM PDT Engineers have developed the smallest-ever remote-controlled walking robot -- and it comes in the form of a tiny, adorable peekytoe crab. Just a half-millimeter wide, the tiny crabs can bend, twist, crawl, walk, turn and even jump. Although the research is exploratory at this point, the researchers believe their technology might bring the field closer to realizing micro-sized robots that can perform practical tasks inside tightly confined spaces. |
| Artificial cilia could someday power diagnostic devices Posted: 25 May 2022 10:12 AM PDT Researchers have now designed a micro-sized artificial cilial system using platinum-based components that can control the movement of fluids at such a scale. The technology could someday enable low-cost, portable diagnostic devices for testing blood samples, manipulating cells or assisting in microfabrication processes. |
| Researchers teleport quantum information across rudimentary quantum network Posted: 25 May 2022 10:11 AM PDT Researchers have succeeded in teleporting quantum information across a rudimentary network. This first of its kind is an important step towards a future quantum Internet. This breakthrough was made possible by a greatly improved quantum memory and enhanced quality of the quantum links between the three nodes of the network. |
| Archaeologists reveal pre-Hispanic cities in Bolivia with laser technology Posted: 25 May 2022 08:09 AM PDT Several hundred settlements from the time between 500 and 1400 AD lie in the Bolivian Llanos de Mojos savannah and have fascinated archaeologists for years. Researchers have now visualized the dimensions of the largest known settlement of the so-called Casarabe culture. Mapping with the laser technology LIDAR indicates that it is an early urbanism with a low population density -- the only known case so far from the Amazon lowlands. The results shed new light on how globally widespread and diverse early urban life was and how earlier societies lived in the Amazon. |
| First Australians ate giant eggs of huge flightless birds, ancient proteins confirm Posted: 25 May 2022 07:29 AM PDT Scientists settle debate surrounding species that laid eggs exploited by early Australian people around 50,000 years ago. Shell proteins point to Genyornis, which was among the 'mega-fauna' to go extinct a few thousand years after humans arrived on the continent. |
| Horses and pigs sense harsh speaking tones Posted: 24 May 2022 07:05 AM PDT How we speak matters to animals. Horses, pigs and wild horses can distinguish between negative and positive sounds from their fellow species and near relatives, as well as from human speech. The study provides insight into the history of emotional development and opens up interesting perspectives with regards to animal welfare. |
| Human or seal? Who has the best underwater hearing? Posted: 24 May 2022 07:05 AM PDT We humans do better on land than under water -- also when it comes to our hearing. But now a new study shows that we actually have better underwater hearing than previously thought -- at certain frequencies we hear just as well as the seal. |
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