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 ...
On December 16, 1884, 134 years ago today, William Henry Fruen, of Minneapolis, patented his "Automatic Liquid-Drawing Device." Designed to look like a building, Fruen's device dispensed mineral water ...
Researchers have developed an automatic drawing machine that uses pens and pencils to draw metamaterials -- artificially engineered composite materials that derive their properties from patterned ...
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback