Rapid 3-D printing with visible light

3-D printing has driven innovations in fields ranging from art to aerospace to medicine. However, the high-energy ultraviolet (UV) light used in most 3-D printers to cure liquid resins into solid objects limits the technique's ...

Creating eco-friendly sound absorbers from seaweed

From airplanes to apartments, most spaces are now designed with sound-absorbing materials that help dampen the droning, echoing and murmuring sounds of everyday life. But most of the acoustic materials that can cancel out ...

Breath tests could sniff out COVID-19

Since May 2021, drivers crossing into Singapore at the Tuas Checkpoint have been required to breathe into a cigar-sized mouthpiece connected to a mass spectrometer. In less than a minute, the device analyzes the breath samples ...

Chocolate 'fingerprints' could confirm label claims

The flavor and aroma of a fine chocolate emerge from its ecology, in addition to its processing. But can you be certain that the bar you bought is really from the exotic locale stated on the wrapper? Now, researchers are ...

page 7 from 12