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There are stark differences between metals, through which electrons flow freely, and electrical insulators, in which electrons are essentially immobile. And despite the obvious difficulties in finding...
Take apart your laptop screen, and at its heart you’ll find a plate patterned with pixels of red, green, and blue LEDs, arranged end to end like a meticulous Lite Brite display. When electrically powe...
Engineers repurpose 19th-century photography technique to make stretchy, color-changing films（图）
19世纪 摄影技术 压力监测绷带 触摸感应机器人
2023/6/6
Imagine stretching a piece of film to reveal a hidden message. Or checking an arm band’s color to gauge muscle mass. Or sporting a swimsuit that changes hue as you do laps. Such chameleon-like, color-...
Aided by microbes found in the subarctic conditions of Canada’s Hudson Bay, an international team – including researchers from Portugal’s Instituto Superior de Agronomia and Técnico, Canada’s Universi...
In food products, the natural blues tend to be moody.
Scientists link flower color changes with climate fluctuations（图）
Scientists link flower color changes climate fluctuations
2021/3/26
Scientists at Clemson University have linked climate fluctuations over the past one and one-quarter centuries with flower color changes.Researchers combined descriptions of flower color from...
Metallic blue fruits use fat to produce color and signal a treat for birds（图）
Metallic blue fruits produce color signal treat for birds
2020/8/21
Researchers have found that a common plant owes the dazzling blue color of its fruit to fat in its cellular structure, the first time this type of color production has been observed in nature.The plan...
Red tulips, pink magnolias, purple lilacs: How do plants create all that color?（图）
Red tulips pink magnolias purple lilacs plants color
2020/5/22
Spring is in full bloom, from red tulips to pink magnolias to purple lilacs. How do plants create all that color? The hues that attract pollinators and provide beautiful bouquets begin with the format...
Red tulips, pink magnolias, purple lilacs: How do plants create all that color?（图）
Red tulips pink magnolias purple lilacs plants create that color
2020/5/29
Spring is in full bloom, from red tulips to pink magnolias to purple lilacs. How do plants create all that color? The hues that attract pollinators and provide beautiful bouquets begin with the format...
New laser design offers more inexpensive multi-color output
New laser design more inexpensive multi-color output
2017/7/24
From checkout counters at supermarkets to light shows at concerts, lasers are everywhere, and they’re a much more efficient light source than incandescent bulbs. But they’re not cheap to produce.A new...
NYU Chemists Color World of 3D Crystals with Advances in Self-Assembly
NYU Chemists Color World 3D Crystals Self-Assembly
2017/3/30
A team of New York University chemists has created self-assembled, three-dimensional DNA crystals that can bind a separate, dye-bearing strand—a breakthrough that enhances the functionality of these t...
While most arachnophiles will likely find tiny spider dancers who can “swagger like Jagger” entertaining, it’s more than the dance that captures the fascination of one NSF-funded University of Cincinn...
Device to control 'color' of electrons in graphene path to future electronics
control 'color' electrons graphene future electronics
2016/9/12
A device made of bilayer graphene, an atomically thin hexagonal arrangement of carbon atoms, provides experimental proof of the ability to control the momentum of electrons and offers a path to electr...
Many things in the natural world are geometrically chiral, meaning they cannot be superimposed onto their mirror image. Think hands — right and left hands are mirror images but if you transplanted a r...
“Wouldn’t it be interesting if we could create stained-glass windows that changed colors at the flip of a switch?” said Christy Landes, associate professor of chemistry at Rice and the lead researcher...