people unwittingly picking up explosive gun cottonwood used by the german navy during the war frank rudolf who spent years inspecting munitions finds on germany's beaches and shows us how treacherous gun cotton. looks like a perfectly normal stone there's hardly any way to tell the difference if you pick one up your hands will be stained yellow due to a diet contains called hex a night show defend alarm in and you will not be able to wash that stain off your fingers it's carcinogenic can causes genetic mutations and is very harmful when breathed in all swallowed pretty nasty stuff from pleased. on the left is a normal starting from the same village and next was a similar looking lump of gun cotton paper fans in his childhood friends used to play around with the explosive materials they found on the beach they particularly enjoyed setting fire to them not realizing the danger involved until my south. towards we'd pick up to stop without any gloves and we'd always get these blisters between our fingers and elsewhere. eventually we realized it was from the explosives. and one of my friends co

biologist frank rudolf knows all too many stories like that a good samantha and has written a book advising pebble collectors on what to watch out for. it's not how it was a 1st time this here is a harmonies piece of flint this is amber the biggest danger to the public is confusing amber flint and phosphorus only experts can tell the difference just by looking at amber and phosphorus feel the same and have the same weight. but fast for us is exceedingly dangerous because it's self ignite set around $20.00 to $40.00 degrees celsius and once it reaches our body temperature it becomes liquid and ignites. through it so instead of a stone you can remove from your pocket all you have is this slime on your fingers after a finger. and . a serious problem with this phosphorous is that back then it was mixed with rubber the idea behind incendiary bombs was that they drop through roofs and into the buildings and then a small explosive charge was enough to spray the phosphorous across the walls and the rubber was added to make it stick leading to a cluster of small fires. because i took papers out of m