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ScienceDaily: Computers & Math News |
Smart sleepwear: Introducing 'phyjama,' a physiological-sensing pajama Posted: 12 Sep 2019 01:25 PM PDT Scientists expect that in the future, electronically active garments containing unobtrusive, portable devices for monitoring heart rate and respiratory rhythm during sleep, for example, will prove clinically useful in health care. Now researchers have developed physiological-sensing textiles that can be woven or stitched into sleep garments they have dubbed 'phyjamas.' |
Novel atomic clock design offers 'tweezer' control Posted: 12 Sep 2019 11:18 AM PDT Physicists have demonstrated a novel atomic clock design that combines near-continuous operation with strong signals and high stability, features not previously found together in a single type of next-generation atomic clock. The new clock, which uses laser 'tweezers' to trap, control and isolate the atoms, also offers unique possibilities for enhancing clock performance using the tricks of quantum physics. |
African American bachelor's degrees see growth, behind in physical sciences, engineering Posted: 12 Sep 2019 10:44 AM PDT African Americans are seeing growth in engineering and physical sciences but are not progressing at the same rate when compared to the general population. A report examined the number of bachelor's degrees earned from 2005 to 2015. |
Semiconducting material more affected by defects than previously thought Posted: 12 Sep 2019 10:07 AM PDT A promising semiconductor material, halide perovskite, could be improved if flaws previously thought irrelevant to performance are reduced, according to new research. |
A robot with a firm yet gentle grasp Posted: 12 Sep 2019 09:48 AM PDT Human hands are skilled at manipulating a range of objects. We can pick up an egg or a strawberry without smashing it. We can hammer a nail. One characteristic that allows us to perform a variety of tasks is the ability to alter the firmness of our grip, and researchers have developed a two-fingered robotic hand that shares this trait. The goal? Improving safety in industrial settings where robots work with people. |
GymCam tracks exercises that wearable monitors can't Posted: 12 Sep 2019 09:05 AM PDT Wearable sensors such as smartwatches have become a popular motivational tool for fitness enthusiasts, but gadgets do not sense all exercises equally. Researchers have found that a stationary camera is a better choice for gym exercises. |
Researchers produce synthetic Hall Effect to achieve one-way radio transmission Posted: 12 Sep 2019 08:10 AM PDT Researchers have replicated one of the most well-known electromagnetic effects in physics, the Hall Effect, using radio waves (photons) instead of electric current (electrons). Their technique could be used to create advanced communication systems that boost signal transmission in one direction while simultaneously absorbing signals going in the opposite direction. |
Machine learning improves the diagnosis of patients with head and neck cancers Posted: 12 Sep 2019 07:09 AM PDT Researchers have successfully solved a longstanding problem in the diagnosis of head and neck cancers. The researchers used artificial intelligence to develop a new classification method which identifies the primary origins of cancerous tissue based on chemical DNA changes. The potential for introduction into routine medical practice is currently being tested. |
Posted: 12 Sep 2019 05:18 AM PDT Physicists created a new way to fabricate special kinds of electronic components known as spintronic devices. These high-performance, low-power devices have a promising future, so efficient ways to make them are highly sought after. The new fabrication method is interesting because it uses organic molecules which are relatively easy to configure for different purposes. Layers of molecules could be painted or printed onto metals to create new electronic functions. |
Giving people a 'digital identity' could leave them vulnerable to discrimination, experts warn Posted: 30 Aug 2019 08:55 AM PDT Global efforts to give millions of people missing key paper documents such as a birth certificates a digital identity could leave them vulnerable to persecution or discrimination, a new study warns. |
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