Light can tie knots—literally. Engineers at Duke University have managed to manipulate laser beams to form intricate 3D patterns called optical knots, using custom-designed optics. These twisted beams ...

Knots are generally understood to form due to twists and turns of long, flexible materials that keep shoes on your feet or ...

Beams of light that can be guided into corkscrew-like shapes called optical vortices are used today in a range of ...

When you purchase through links on our site, we may earn commission. Read our full commerce guidelines here. For many of us, our first introduction to the polka dot print in fashion came courtesy ...

Petechiae are tiny red or purple dots that don't turn white when you press on them. They can be caused by infections, certain medications, and vitamin deficiencies. They can also be a symptom of low ...

Artistic illustration of lead sulfide quantum dots as they undergo structural changes when exposed to light, with lead atoms temporarily shifting to a new position. Credit: Cotts Lab at Middlebury ...

Royalty-free licenses let you pay once to use copyrighted images and video clips in personal and commercial projects on an ongoing basis without requiring additional payments each time you use that ...

Final preparations are underway as the Ultra Music Festival is set to return this weekend to Bayfront Park in Downtown Miami. The international music festival is expected to draw over 160,000 ...

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"These issues lead to energy loss and device degradation. In this article, we synthesize acidic magnesium-doped tin oxide quantum dots to modulate the bottom interface contact in wide-bandgap CsPbI 2 ...

Internet culture is chaotic—but we’ll break it down for you in one daily email. Sign up for the Daily Dot’s web_crawlr newsletter here. You’ll get the best (and worst) of the internet ...