Thomas Edison

Did you know that...

New Jersey
is home to more scientists and engineers per square mile
than anywhere else in the world.

 (The Official Website for the State of New Jersey, "2001")

The most interesting interpretations of an image construction diagram

One needs just two rays to find an image of an object formed by a diverging lens.  Below, there are the most interesting interpretations of constructing the diagram. I admire creativity expressed in these works.

Seen at Niagara Falls

On Kinematics

After a review on kinematics, I ask my students:

- Do you have any questions?
...

Silence.

- NO questions? Well, next week...

- Wait, I have a question. Why there are so many letters on the board?

😂😄