High voltage is no joke, but you don’t need special electrical knowhow or skills to safely replace your light switch or ...

You don't need a lot of money to banish darkness from the deepest corners of your home. These LED lights make all the ...

Neuroscientists are zeroing in on how special kinds of brain cells help us see things that aren't actually there.

Illusion circuits in the visual cortex were uncovered with two-photon holography, advancing perception and neurophysiology studies.

Abstract: This paper presents a low power, high dynamic range (DR), light-to-digital converter (LDC) for wearable chest photoplethysmogram (PPG) applications. The proposed LDC utilizes a novel 2 ...