If science is a crossword puzzle in progress, we are going to have to erase everything added in the last century.

No, really.
Newton and Einstein have been disproven.

Who do you believe? Nikola Tesla or Albert Einstein?
They have diametrically opposed theories.

• Nikola Tesla, inventor of almost everything we call modern technology.
• Einstein created a bomb. Maybe.

Here is one to ponder.
A beam of light slows down and is deflected in a pane of glass.
And then, it is undeflected and speeds up as it leaves the glass.
How does that work? A particle suddenly gains speed? Where is the conservation of energy?

The answer is that the aether exists, and light is a field perturbation.
Trying to answer this in Newtonian physics ends up with such stupid things as unicorn particles.

This video is not about these topics, but is about the entire crossword puzzle.