Even optically clear printed objects. Yes, you can now do some post-processing on printed parts to make T-glase crystal clear. The big advance allowing translucent parts to be made clear is a new ...

A crystal radio is basically a high Q resonator tied to an antenna and an envelope detector. These days the envelope detector is a point contact diode such as a 1N34 Germanium diode. The resonant ...

Offshore flooded caves, so-called ocean blue holes, are extensions of the sea, subject to the same heavy tides and host to many of the same species found in the surrounding waters. Inland blue ...

Defenses against AI training exist—like Glaze, a tool that adds a small amount of imperceptible-to-humans noise to images to stop image generators from copying artists' styles. But they don't ...

Crystal skulls are not uncommon or terribly mysterious. Thousands are produced every year in Brazil, China, and Germany. But there are a handful of these rather macabre objects that have fueled ...

More information: Shan Li et al, When quantum dots meet blue phase liquid crystal elastomers: visualized full-color and mechanically-switchable circularly polarized luminescence, Light ...

Background: Nickel is a common cause of allergic contact dermatitis and is associated with metal buttons and snaps on blue jeans. Objective: To determine the prevalence of nickel-positive metal ...

Crystal Raypole’s work appears on Healthline, and she’s previously worked as a writer and editor for GoodTherapy. Her interests include Japanese language and translation, cooking, natural ...

Scientists in Western Australia have found a tree frog which is bright blue, rather than the usual green, due to a rare genetic mutation. The blue magnificent tree frog was spotted in the Charnley ...

Crystal Palace can draw an established link back to the Crystal Palace football team established in 1861, which played its first match in March 1862. The connection makes Palace the oldest league club ...

The results of our study indicate the prevalence of nickel in metal blue-jean buttons to be 16% in the 62 pairs of new and preworn pairs of jeans tested for nickel release with the DMG kit.