That’s because different light sources produce light with different color temperatures. In the early days of energy conservation, everyone recommended replacing incandescent bulbs with ...

During a thunderstorm, have you ever heard a loud clap of thunder that shook the entire house and maybe even gave you a ...

"When a lightning bolt moves through the air [it] heats up the surrounding air to five times the temperature of the surface of the sun," Ms Lingard said. "It causes the air to explosively expand ...

A typical lightning flash measures about 300 million volts and 30,000 amps - enough to kill. It can cause the air around it to heat up to temperatures that are five times than that on the surface ...

"The painter said it did not have to be a white color, so we are going ... the refuelers white to reduce the temperature of fuel being delivered to the F-35 Lightning II joint strike fighter ...