The shopkeeper is still somewhat wrong though: it's redirecting the energy, not absorbing it. Regardless, Mark Rober and The Backyard Scientist have a pretty g

The shopkeeper is still somewhat wrong though: it's redirecting the energy, not absorbing it. Regardless, Mark Rober and The Backyard Scientist have a pretty great video demonstrating exactly what is going on here: https://youtu.be/W4DnuQOtA8E https://youtu.be/W4DnuQOtA8E