Speed of light is also speed of every electromagnetic waves like microwaves, which are utilized in microwave oven. Everybody can determine speed of these waves in very easy way.
We need to determination:
- - microwave oven,
- - raisins,
- - two paper plates,
- - ruler,
- - calculator
See description of experiment:
The Romanian students made the same experiment but they used instead of sultanas a slice of cheese.