Silicon-based technology brings fiber-like efficiency to a chip, showing strong potential for quantum computers, biomedical ...

Traditional solar cells harvest only a narrow sliver of the electromagnetic energy pouring down onto Earth, and that's one of the reasons it's been so challenging to get solar efficiency beyond 20-30 ...

How can we measure visible light? The electromagnetic spectrum includes all forms of light energy, known as electromagnetic radiation. (1) Different types of electromagnetic radiation such as radio ...

A flexible photodetector using asymmetric 2D heterostructures switches spectral response by gate voltage, enabling filter-free wavelength control under bending. (Nanowerk News) Flexible photodetectors ...

The human eye does not actually see purple, as purple is not a color on the visual spectrum. Purple is a combination of wavelengths from opposite extremes of the spectrum, which technically deosn’t ...