ReadOasis Step 4
(Part 1)

Albert’s father pulled the compass out of his pocket. He placed it on the table. The needle moved and then stopped, facing north as it always did. It was pulled by an invisible force, a magnetic field. For young Albert, the magnetic field that moved the compass was not just a wonder of science.

The magnetic field showed the character of the universe—all things governed by forces, rules, and laws. It looked like empty space, but the universe held secrets waiting for di...