It looks like you're using an Ad Blocker.
Please white-list or disable AboveTopSecret.com in your ad-blocking tool.
Some features of ATS will be disabled while you continue to use an ad-blocker.
Originally posted by u2r2h
Pakistan Truck Bomb -- WHO DID THIS?
air. Alpha particles will loose all their energy in just a couple inches of travel in air. Once an alpha particle is stopped, it grabs the first two free electrons it can find, and becomes a plain old atom of helium. Alpha radiation is not hazardous if the source is external to the body. Alpha particles don't penetrate deeply enough into the body to reach living tissue.