SINE

No surprise, as Einstein discovered E=mc squared. Which is a way to say: Energy has mass, and mass has energy. Singing: Mass has energy, and energy has mass, and mass has energy and...

CORONADO

What gets some people going, I don’t know . . .

SINE

The math problem in the text link is a little fun.

CORONADO

Hmmn.

More square feet available for solar panels !

School daze (math problem)