... about programming, growing up in the 1970's and 80's, games, science fiction, working in a charity book shop, films, spending too much time watching television, living in Basildon and Essex, and whatever else emerges from my fevered imagination. If you're reading this, it's your fault you clicked on the link: I am not responsible for your actions.
Thursday 24 January 2013
How To Make A Rail Gun
I found this funny video on YouTube, via Boing, Boing!:
He's quite clearly a good engineer, but a sane enough chap to see that his screw-ups are at least as important as his successes. And funnier. And the rail gun works...
that's so cool but I don't get it, why does the coil accelerate the bullet? does the heat from applying electricity pull it to the center or something?
that's so cool but I don't get it, why does the coil accelerate the bullet? does the heat from applying electricity pull it to the center or something?
ReplyDeleteIt's the effect of magnetism on the metal bullet, which is ferromagnetic. Copper, for example, would not work as a projectile.
ReplyDelete