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ScienceDaily: Computers & Math News |
| Heavily enriched: An energy-efficient way of enriching hydrogen isotopes in silicon Posted: 16 Aug 2021 09:57 AM PDT Deuterium, a heavier but less abundant version of the hydrogen atom, has many practical applications. Unfortunately, producing deuterium and using it to protect silicon-based semiconductors requires a lot of energy and very expensive deuterium gas. Now, scientists have discovered an energy-efficient exchange reaction to swap hydrogen atoms for deuterium on the surface of nanocrystalline silicon. Their results pave the way to more durable electronic devices while keeping costs and the environmental impact low. |
| Table-top electron camera catches ultrafast dynamics of matter Posted: 16 Aug 2021 09:57 AM PDT Scientists have built a compact electron camera that can capture the inner, ultrafast dynamics of matter. The system shoots short bunches of electrons at a sample to take snapshots of its current inner structure and is the first such electron diffractometer that uses Terahertz radiation for pulse compression. The developers validated their Terahertz-enhanced ultrafast electron diffractometer with the investigation of a silicon sample. |
| Inflatable robotic hand gives amputees real-time tactile control Posted: 16 Aug 2021 09:57 AM PDT An MIT-developed inflatable robotic hand gives amputees real-time tactile control. The smart hand is soft and elastic, weighs about half a pound, and costs a fraction of comparable prosthetics. |
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