Abstract: The massive quantity of electricity gets used in lights through roadways in India. Still, roadways remain empty for nearly all of the day after at night, with a handful of cars passing ...

December 30, 2025 • Note: This "Sound of Ideas" episode originally aired on Sept. 2, 2025 Sept. 2 is the 80th anniversary of the official end to World War II, weeks after fighting ended. It's the day ...

Optical sensors are a broad class of device for detecting light intensity. This can be just a simple component for notifying when ambient light levels rise above or fall below a prescribed level, or a ...