Top network posts
- 128 If you are vacuuming your carpet and you wrap the cord around your body do you become a magnet?
- 41 Speed of light vs speed of electricity
- 40 Does old light contain clues to its age?
- 32 Does more light from Andromeda get scattered in the atmosphere than in the entire trip to Earth?
- 22 Puzzling quotes from astronauts about earth size
- 18 Can I sense a bright star pointing an eight foot antenna towards it?
- 13 Why is it said that light can travel through empty space?
- View more network posts →