Purdue University

Measuring Visible Light

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 ...
Nature

Algae use the underwater light spectrum to sense depth

Aquatic algae called diatoms have been found to use light-sensing proteins as depth indicators. Detecting depth-related changes in the intensity and spectrum of light enables algae to modulate their ...
Ars Technica

DIY measuring colour temperature

Is there a sufficiently reliable way to get an acceptable measure of the actual colour temperature of the the light generated by an LED bulb, using generic hardware and/or software? Maybe there's an ...
Business Wire

In a Clinical Trial, Daytime Exposure to Short-Wavelength Enriched Light With Daylight-like Spectrum Improves Learning and Memory Function

ANSAN, South Korea--(BUSINESS WIRE)--Seoul Semiconductor Co., Ltd. (KOSDAQ 046890), a leading global innovator of LED products and technology, announced that following Seoul National University in ...