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ScienceDaily: Top Technology News |
| Birds’ dazzling iridescence tied to nanoscale tweak of feather structure Posted: 21 Dec 2021 10:35 AM PST Researchers found that the iridescent shimmer that makes birds such as peacocks and hummingbirds so striking is rooted in an evolutionary tweak in feather nanostructure that has more than doubled the range of iridescent colors birds can display. This insight could help researchers understand how and when iridescence first evolved in birds, as well as inspire the development of new materials that can capture or manipulate light. |
| Engineers test an idea for a new hovering rover Posted: 21 Dec 2021 07:28 AM PST MIT aerospace engineers are testing a concept for a hovering rover that levitates by harnessing the moon's natural charge. The design uses tiny ion beams to charge up the vehicle and the surface underneath, with little power needed. Such an ion boost could be strong enough to levitate a 2-pound vehicle on the moon and large asteroids. |
| Posted: 21 Dec 2021 07:27 AM PST For many applications making use of quantum effects, the light has to be in a certain state -- namely a single photon state. But what is the best way of generating such single photon states? Researchers have now proposed an entirely new way. |
| Posted: 20 Dec 2021 09:07 AM PST Intelligent packaging with sensors that monitor goods, such as vegetables, on long transport routes is a trend for the future. Yet printed and disposable electronics also cause problems: Metals in printing inks are expensive -- and disposing of them in an environmentally sound manner is costly and exacerbates the problem of electronic waste. |
| Sneezes, rain clouds and ink jets: Optical microscopes to measure the volume of microdroplets Posted: 20 Dec 2021 09:06 AM PST By improving the calibration of a conventional optical microscope, researchers have for the first time measured the volume of individual droplets smaller than 100 trillionths of a liter with an uncertainty of less than 1%. That is a tenfold improvement over previous measurements. |
| 3D printed nanomagnets unveil a world of patterns in the magnetic field Posted: 20 Dec 2021 09:06 AM PST Researchers have created DNA-like magnetic nanostructures that form strong inter-helix magnetic bonds. These produce topological textures in the magnetic field, opening the door to the next generation of magnetic devices, and patterning magnetic fields on the nanoscale. |
| Measuring a quantum computer’s power just got faster and more accurate Posted: 20 Dec 2021 09:06 AM PST What does a quantum computer have in common with a top draft pick in sports? Both have attracted lots of attention from talent scouts. Quantum computers, experimental machines that can perform some tasks faster than supercomputers, are constantly evaluated, much like young athletes, for their potential to someday become game-changing technology. |
| Mind-controlled robots now one step closer Posted: 16 Dec 2021 12:02 PM PST Researchers teamed up to develop a machine-learning program that can be connected to a human brain and used to command a robot. The program adjusts the robot's movements based on electrical signals from the brain. The hope is that with this invention, tetraplegic patients will be able to carry out more day-to-day activities on their own. |
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