Colors
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The desert-dwelling Namaqua chameleon has a pretty neat trick – it changes skin color to stay cool when outdoor temperatures rise, and stay warm when they drop. An experimental new coating could one day do the same thing for our homes.
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With regular felt pens, users are limited to the colors of the pens in a set. As you might have guessed, though, the Colorpik Pen is different – it can reproduce 16 million colors, which are scanned from the user's environment.
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Lighter colors are cooler than darker ones, which can limit the practical palette choices for your clothes, car or house. A new material, inspired by butterfly wings, can produce vibrant colors while reflecting 100% of light to keep them cooler.
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Imagine if there were inexpensive 3D-printed sensors that changed color to show us if something had gotten too warm or was subjected to too much stress. Well, there soon could be – and they'll biodegrade once discarded, to boot.
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A new light-activated ink can change color on demand. It’s made up of colored microbeads that rise in response to different wavelengths of light to change a surface color, which could be useful for new displays or active camouflage systems.
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Traditional paint gets it color from synthetic pigments, which fade over time and aren't very eco-friendly. There may soon be a better alternative, though, in the form of a paint which incorporates color-producing nanostructures.
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Startup Duovox has launched a compact night vision camera with a custom Sony sensor and advanced algorithms at its heart that effectively turn night into day, bringing the full color experience to after-dark hikes in the mountains.
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It can get tiresome, continually having to tell groups of children – or even adults – to be quiet. That's where a new sound-sensitive lamp comes in, as it does the job for you by changing color in response to rising noise levels.
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Digital data storage is far from permanent. The data on your hard drive or flash drive probably won't last more than a few decades, but Harvard researchers have created what they say is a much longer-term alternative using spots of glowing dye.
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Although some people may think that electric cars can run forever, their motors do wear out over time. According to a new study, special dyes could allow drivers and mechanics to know when that time is about to come.
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Imagine if you were a product designer who wanted to see what an actual physical object would look like in different colors or patterns. Well, MIT has designed a system that allows users to easily do just that, utilizing photochromic dyes.
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It may seem like a basic color, but blue is actually rather rare in the natural world. That complicates the search for natural blue food colorings, but now a team of scientists has found a promising candidate hiding in red cabbage.
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