The bending of light happens because light travels at different speeds in different materials. ๐
โโ๏ธ๐จ For example, light goes fastest in air, at about 299,792 kilometers per
second! ๐
But when it enters water, it slows down to about 225,000 kilometers per second. The difference in speed causes the angle of light to change - this is what's known as the angle of refraction! ๐
The more the light bends, the cooler the effect you see, like a straw appearing bent in a glass of water. ๐ฅค