A unique mechanical design aspires to remove heat from this LED light bulb’s insides, but you still need to keep external ventilation in mind.

Late-night feeds, muddy school runs, arms full of shopping: those dim corners at home can turn small tasks into hassles. Now ...

These Seklin outdoor lights are currently 37% off, with the price for a pack of four down to £19 from their original price of ...

Abstract: Photoplethysmography (PPG) is a simple method to measure various physiological indices, including heart rate (HR). To prevent motion artifacts, the optimal light wavelength for PPG ...

Abstract: This paper presents a CMOS image sensor which captures local incident angle and intensity information from the light it records. The 400×384 pixel array employs 7.5 μm angle-sensitive pixels ...