What if there was a black hole in your pocket
John Joseph Merlin. The swan, which is life size, is a clockwork driven device that includes a music box. The swan sits in a "stream" that is made of glass rods and is surrounded by silver leaves. Small silver fish can be seen "swimming" in the stream.
Kidney bean time lapse with soil cross section. Showing how roots ant upper part of plant grows.
How to make emergency candles out of household items (cheese wax, butter candle, tuna can oil burner, wax crayon, orange and olive oil burner).
