ScienceDaily: Strange Science News |
- How hero shrews' bizarre backbones evolved
- Spitzer telescope reveals the precise timing of a black hole dance
- Spinal cord gives bio-bots walking rhythm
- Glacier detachments: A new hazard in a warming world?
- New device simulates feel of walls, solid objects in virtual reality
- New metasurface laser produces world's first super-chiral light
| How hero shrews' bizarre backbones evolved Posted: 28 Apr 2020 07:54 PM PDT Hero shrews have some of the weirdest backbones in the animal kingdom -- they're incredibly strong, with stories of a 0.25-pound shrew supporting a grown man standing on its back. No one knows what they use these super-strong spines for, though, so scientists took micro-CT scans to examine the backbones inside and out. They discovered evidence that the bones are exposed to lots of stress from back-to-front, suggesting the shrews scrunch up like inchworms. |
| Spitzer telescope reveals the precise timing of a black hole dance Posted: 28 Apr 2020 07:37 PM PDT Scientists have finally figured out the precise timing of a complicated dance between two enormous black holes, revealing hidden details about the physical characteristics of these mysterious cosmic objects. |
| Spinal cord gives bio-bots walking rhythm Posted: 28 Apr 2020 11:24 AM PDT Miniature biological robots are making greater strides than ever, thanks to the spinal cord directing their steps. Researchers developed the tiny walking 'spinobots,' powered by rat muscle and spinal cord tissue on a soft, 3D-printed hydrogel skeleton. While previous generations of biological robots, or bio-bots, could move forward by simple muscle contraction, the integration of the spinal cord gives them a more natural walking rhythm. |
| Glacier detachments: A new hazard in a warming world? Posted: 28 Apr 2020 10:17 AM PDT On the evening of 5 August 2013, a startling event occurred deep in the remote interior of the United States' largest national park. A half-kilometer-long tongue of Alaska's Flat Creek glacier suddenly broke off, unleashing a torrent of ice and rock that rushed 11 kilometers down a rugged mountain valley into the wilderness encompassed by Wrangell-St. Elias National Park and Preserve. |
| New device simulates feel of walls, solid objects in virtual reality Posted: 28 Apr 2020 05:46 AM PDT Today's virtual reality systems can create immersive visual experiences, but seldom do they enable users to feel anything -- particularly walls, appliances and furniture. A new device, however, uses multiple strings attached to the hand and fingers to simulate the feel of obstacles and heavy objects. |
| New metasurface laser produces world's first super-chiral light Posted: 27 Apr 2020 09:51 AM PDT Researchers have demonstrated the world's first metasurface laser that produces 'super-chiral light': light with ultra-high angular momentum. The light from this laser can be used as a type of 'optical spanner' to or for encoding information in optical communications. |
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