A message to future scientists #10: Thermal Expansion

EUPHRATES + Masahiko Sato and NIMS(National Institute for Materials Science)
---
"Expands when heated, shrinks when cooled."
This is a basic scientific phenomenon.
However, most people haven't seen the actual mechanism behind thermal expansion.
This video shows how we revealed motion invisible to the naked eye
in two fascinating scientific demonstrations.
A red-hot spoon comes into contact with a chilled lead ingot.
What will happen?
Can you imagine how it will react?
English version: • A message to future sc...