How To Survive A Grenade Blast

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How To Survive A Grenade Blast. Photo – Adobe Stock (under license)

In this interesting video, YouTubers Mark Rober and BackyardScientist teamed up to answer these simple questions: Are grenades deadlier on land or under water? And what can you do to maximize your chances of survival?

Grenades are potentially deadly explosive devices that are typically off-limits to anyone except military personnel. They are designed to fit the hand and facilitate being held and thrown. Typical grenades are activated by pulling a pin, which will trigger the explosion around 3 seconds later – so the user has time to throw it.

When the explosion occurs on land or in the air, the metal shell shatters and pieces fly outwards at very high velocity. Since there is minimal drag in air, there is hardly any resistance to the flying debris. In this scenario your best option is to take cover behind something solid, fast. The more solid the better but anything is better than nothing. Your next best option is to minimize the surface area of the body exposed to the blast, protecting vital areas as much as possible. With as much swiftness as possible, lie down with your feet pointing towards the blast. At 5 meters distance, your chances of avoiding a shrapnel impact are around 99% – very good.

If you are underwater however, everything changes. The drag from the water is so high that at 5 meters, all the pieces of shell would be slowed to a halt. However there is a new danger – the shockwave. This causes little effect to “solid” parts of the body however the lungs, being filled with air, will be compressed brutally, which can potentially be fatal – and the grenade blast at the same distance would be far more dangerous. Your chances of survival drop dramatically and your best possible option would be to get out of the water before the blast hits, if you can. Even getting your upper body out of the water will likely save you.

Note however that jumping into water to avoid an open air blast would be a very good idea – if you can move quickly enough.

Ok, here’s the video:

This Crazy Off Grid Device Literally Makes Drinkable Water From Fresh Air:

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Watch the video:

� What Tinnitus Does To Your Brain Cells (And How To Stop It)

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Even more interesting: The reason why top army officials are not deaf after decades of hearing machine guns, bombs going off and helicopter noises...

Is because they are using something called "the wire method", a simple protocol inspired by a classified surgery on deaf people from the 1950s...

Most People Don't Have The Guts To Try This:

An amazing discovery in an abandoned house in Austin, Texas: A lost book of amazing survival knowledge, believed to have been long vanished to history, has been found in a dusty drawer in the house which belonged to a guy named Claude Davis.

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What REALLY Happens When You Bury a Shipping Container? (Hint: It's A Bit Crazy...)

Shipping containers are all the rage - but if you are thinking about buying one, you MUST watch this video first:

Do not, I repeat do NOT do what these lunatics did! Can you spot the "fatal mistake" they made?

There's a general belief that if you bury a shipping container you can create an awesome root cellar / storm shelter / survival bunker.

But is a shipping container strong enough to handle the pressure?

Watch the video to see what happens:

What Really Happens When You Bury a Shipping Container? (Click To Watch Video)

I Can't Help Showing This Off:

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