Robotics
Insect-sized flying robots could help with time-consuming tasks like surveying crop growth on large farms or sniffing out gas leaks. These robots soar by fluttering tiny wings because they are too small to use propellers, ...
May 15, 2018
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8638
Robotics
(Tech Xplore)—At the International Conference on Robotics and Automation, researchers presented their work in creating Watch-Bot. Andrew Dalton in Engadget called it "a sort of robo-sentry."
Engineering
A 3D printed 'metamaterial' boasting levels of strength for weight not normally seen in nature or manufacturing could change how we make everything from medical implants to aircraft or rocket parts.
Feb 26, 2024
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129
Engineering
Continuous monitoring of sweat can reveal valuable information about human health, such as the body's glucose levels. However, wearable sensors previously developed for this purpose have been lacking, unable to withstand ...
Sep 28, 2023
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112
Electronics & Semiconductors
Next-generation electronics will feature smaller and more powerful components that require new solutions for cooling. A new thermoelectric cooler developed by Penn State scientists greatly improves the cooling power and efficiency ...
Jul 14, 2023
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240
Internet
Optical data communications lasers can transmit several tens of terabits per second, despite a huge amount of disruptive air turbulence. ETH Zurich scientists and their European partners demonstrated this capacity with lasers ...
Jun 20, 2023
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3239
Engineering
As we move into a world where human-machine interactions are becoming more prominent, pressure sensors that are able to analyze and simulate human touch are likely to grow in demand.
Jun 1, 2023
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120
Engineering
Scientists have developed an advanced technique for 3D printing that is set to revolutionize the manufacturing industry.
May 30, 2023
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370
Robotics
As evidence mounts that gas drilling and sewer systems leak far more greenhouse gases than previously believed, a team of Princeton researchers has developed a method to pinpoint leaks both big and small for speedy repair.
Apr 14, 2023
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76
Electronics & Semiconductors
Physicists at Delft University of Technology have built a new technology on a microchip by combining two Nobel Prize-winning techniques for the first time. This microchip could measure distances in materials at high precision—for ...
Mar 22, 2023
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770
A laser is a device that emits light (electromagnetic radiation) through a process called stimulated emission. The term laser is an acronym for light amplification by stimulated emission of radiation. Laser light is usually spatially coherent, which means that the light either is emitted in a narrow, low-divergence beam, or can be converted into one with the help of optical components such as lenses. Typically, lasers are thought of as emitting light with a narrow wavelength spectrum ("monochromatic" light). This is not true of all lasers, however: some emit light with a broad spectrum, while others emit light at multiple distinct wavelengths simultaneously. The coherence of typical laser emission is distinctive. Most other light sources emit incoherent light, which has a phase that varies randomly with time and position.
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