Researchers from Harvard have shown that thin layers of silica aerogel could warm the surface of Mars and block UV radiation while still letting visible light through. That could be enough to keep water liquid and let plants photosynthesize within a given region.
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Astronomers have discovered a weird star system that appears to be dimming completely at random, and none of the usual explanations seem to fit.
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Although many people do send paper off to be recycled, the recycling process isn't entirely eco-friendly – it requires a lot of power, and incorporates toxic chemicals. Now, however, scientists have developed a method of simply removing the printed text from sheets of paper, so they can be reused.
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Headlamps are certainly handy when it comes to engaging in night-time outdoor activities, but some models do have their limitations. The Spanish-designed Carbi is designed to address those problems, plus it has a few interesting bonus features.
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Since 2016, a research team has been exploring the strange hypothesis that external exposure to light flickering at 40 Hz can reverse the neurodegeneration associated with Alzheimer's disease. A new study has now homed in on exactly how, on a cellular level, this light treatment could be working.
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It goes without saying that the greater the number of organs available for transplant, the better for patients in need of them. A newly-developed technique could help, as it uses light to kill viruses and bacteria that might otherwise make donated organs unsuitable for use.
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Last month, Ikea and Sonos announced that they were collaborating on a new range of light and sound products. Now the Symfonisk range has debuted in Milan, and is made up of a table lamp with built-in wireless speaker and a small, versatile standalone streaming speaker.
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Antibiotics were one of the 20th century's most important scientific discoveries, but their usefulness is quickly fading. Researchers at Purdue University have found that blue light can weaken a particularly nasty “superbug” and make it vulnerable to even mild antiseptics again.
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Currently, package labels contain certain information – such as barcodes, serial numbers or buyers' addresses – that would be best left unseen by wrongdoers. Newly-developed rewritable labels could address that issue, as they're blank and transparent unless exposed to a certain type of light.
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Most 3D printers work by either depositing or melting building material in successive layers. Unfortunately, this results in the finished objects looking kind of chunky, as the ridges between layers are visible. A new process, however, uses light to create smooth-edged items out of resin.
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