A new roll-based printing method could help turn fragile nanowire forests into dense, aligned, flexible electronic layers for wearable sensors, UV photodetectors, and next-generation device platforms.

More affordable than ever, 3D printers are booming for personal, professional, and educational use. We've been testing them for over a decade and are here to help you find the right option. Since 2004 ...

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Elements in group 1 and group 2 are metals. Atoms of group 1 elements have one electron in their outer shell, and atoms of group 2 elements have two electrons in their outer shell. Elements in groups ...

Researchers have developed an inexpensive solar cell that can be painted or printed on flexible plastic sheets. "Someday homeowners will even be able to print sheets of these solar cells with ...