Most of the GO cells were fabricated using flat glass substrates. GO particles tend to align parallel to the surface due to surface effects. For comparison, we prepared an uneven cell, which was ...

To craft a new color-switching material, scientists have again taken inspiration from one of nature’s masters of disguise: the chameleon. Thin films made of heart cells and hydrogel change hues when ...

E-ink displays may be easier on the eyes and less power-hungry than backlit LCDs used in most tablets and phones, but in the color department they're still playing catch-up. However, this could change ...

Some foods and medicines, such as many COVID-19 vaccines, must be kept cold. As a step toward a robust, stable technique that could indicate when these products exceed safe limits, researchers in ACS ...

A thin film that reflects light in intriguing ways could be used to make road signs that shine brightly and change color at night. The technology could help call attention to important traffic ...