Watch This Man Shoot And Electrocute Himself As He Demos A Coil Gun

Who knew gun-building could be such a dangerous yet humorous activity? I'm not talking about a regular gun, no, the sort of weapon I'm thinking about is a coil gun, constructed of wire, electricity and thin metal slugs. Between exploding circuits, smoking wires and a case of always checking which end is the pointy one, putting one together is not the safest of endeavours.

In the video above, self-described "professional" engineer Mehdi Sadaghdar explains the principles behind a coil gun before proceeding to construct one in his workshop... well, one he constructed earlier. It's a simple device and while its lethality is questionable, it's definitely neat to see in action.

Sadaghdar plays the role of a bumbling electrician, though it's clear from reading his blog detailing the concept (and the obviously comedic tone of the video) that it's all for laughs:

Basically as we all know, when we turn on or energise a coil, it starts attracting ferromagnetic material, in my case a steal bullet I made.

The issue is that if we keep the coil on, it keeps attracting the bullet. So what happens is that the bullet accelerates towards the coil and as soon as the magnetic centre of the bullet reaches the magnetic centre of the coil, the force of the coil over the bullet becomes zero. But as the bullet has momentum, it passes the centre, at which point the coil starts pulling it back and decelerating the bullet, or accelerate it back towards the centre.

Now, this is a great way to present science to the masses. Just don't got building one of your own unless you know what you're doing. Who knows how many poor cardboard boxes might suffer your misdirected metal wrath?

[YouTube, via BoingBoing]


    What a retard, hahahahahaha!

      Do you also think that Mr Bean is a retard? Do you understand what satire is?

      That was hilarious, the guy is obviously pretty clever.

      Loved it!

    Thank you, come again! That's the joke - No that's the joke, hep, hep, hep, hep, hep.

    'Electrocute' means to die from electricity.

      Actually it means to injure or kill by electric shock.

        No it doesn't. The correct headline should be: "Watch this man shoot and shock himself..."
        The line between an electric shock and electrocution is death.

        Fontgod..... Muppet.

        Last edited 31/01/13 11:15 am

    A bit misleading but thats probably not a bad thing based on the definition below.

    - Electrocution is death caused by electric shock, either accidental or deliberate. The word is derived from "electro" and "execution", but it is also used for accidental death.

      The word has evolved in common usage since it was coined, in my experience. It doesn't have to result in death any more.

        It does mean death though, despite the common usage it's still incorrect. Similar to the way people misuse the word "penultimate".
        Most of the time people would let it go, but a journalistic publication like this should know better. Or is it just a blog....?

          Common usage defines words, not the other way around. That's the nature of an evolving language with no central authority.

          So if enough ignorant people misuse a word it's meaning is changed.... BS, why do we have dictionaries? Okiedoakie everyone, you heard the man, burn your Oxford concise.

          Last edited 31/01/13 11:19 am

            To describe the current meaning of words? You do know dictionaries update their definitions all the time to match actual usage, right? They're descriptive, not prescriptive when it comes to the English language.

            Last edited 31/01/13 3:36 pm

    This one's much better. I've watched it a few times.

    Yay! You can combine the coil gun technology with the light guns being thrown away to manufacture a coil gun pistol.

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