New (old) "joke" by idiots that has injured people - Drano bombs.
I often pickup garbage when out for a walk in the park or woods and someone I know sent this and thought I would pass it on.
http://www.snopes.com/crime/warnings/bottlebomb.asp
From the article
A "Works" Bomb is Drain-o and Tin Foil, mixed together inside of a bottle. The chemical reaction between the Drain-o and the Tin Foil makes a volatile build up of gases and subsequently detonates the bottle with a great amount of force. Once the detonation occurs, the chemical substance that is in the bottle is actually boiling liquid.
The amount of force that is generated at the time of the explosion is enough to severe fingers and also deliver 2nd and 3rd degree chemical burns to the victim. The chemicals can possibly cause blindness and the toxic fumes can be harmful.
**SAFETY**SAFETY**SAFETY***..........When you are out and about in your yards, please be mindful of these devices. If your picking up your morning paper, or mowing your grass, or if you let your children out to play; whatever your activities are, please use the following precautions.
1) If you find a soda bottle or any other bottles, examine it carefully before you touch it or get near it. If it shows signs of swelling, or melting in any way, DO NOT TOUCH IT! Call 911 and let us respond to take care of it.
2) If you find a soda bottle that has any liquid in it, DO NOT TOUCH IT! Call 911 and let us respond to check it / dispose of it.