WASHINGTON — Researchers have developed an automatic drawing machine that uses pens and pencils to draw metamaterials onto paper. They demonstrated the new approach by using it to make three ...

What's your guess? Is that a photograph? The face is so close and specific. Did the photographer hold the camera in one hand, and an umbrella in the other? Maybe want to hold the umbrella over the ...

Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Whether you’re a professional artist or an amateur dabbling in the craft for fun, a ...