An hourglass tells you what it is in the name — a glass that you use to measure an hour of time passing by. [EDISON SCIENCE CORNER] has built a digital project that mimics such a thing, with little ...

Infrared spectroscopy (IR spectroscopy) is an optical technique that detects molecular bond vibrations and rotations upon absorption of infrared light. Because different chemical functional groups ...

Bright light reduces feeding and weight gain in mice by activating a specific retina-to-brain pathway that signals through the visual thalamus to inhibit appetite-regulating neurons in the ...