Badge

 Enlightened First to answer and accepted with score of 10 or more. This badge can be awarded multiple times.

Nathaniel earned this badge 3 times
feb 25 at 11:45
Rubber band stretched produces heat and when released absorbs heat.. Why?
jan 23 at 1:32
Why don't tuning forks have three prongs?
aug 21 at 8:06
Why doesn't the percentage of oxygen in Earth's atmosphere diminish significantly with altitude?

Others with this badge