Sort by time | Sort by thread (beta)
Link to this comment:
Share to:
Loading...
- Your queue is empty. Add videos to your queue using this button:
or sign in to load a different list.
Loading...Saving...
Your diagram of a raindrop is slightly off, the refracted light also reflects off the back of the drop and refracts again through the front. Your videos really help with my Science Olympiad, keep up the good work!
paigasukidesu 9 months ago