+18 How To Work Out The Speed Of Light References. Take two lanterns at night and separate them by a large distance but not too far that you can't see them. In 1629, using gunpowder, he placed mirrors at.

In a vacuum, the speed of light is 299,792,458 meters per second. The industry will continue to grapple with labor shortages. Web here is galileo's method to measure the speed of light.

