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Why "Back to the Future" is Secretly Horrifying

Explosion Welding: how it's done

Explosion Welding: how it's done

Explosion Welding: how it's done

lampishthing says...

Sounds expensive!

@dag I guess the problem is that you'd be hard pressed (pun not intended) to find a mechanical process where the timescale for energy build up and release compares to that of the timescale for release of the chemical energy. I suppose crazy big capacitors and magnets might do something cool though... Then again the magnets might deform... Hmm.

IQ's Just Went Up

Morganth says...

Since CRT televisions still have a capacitor, this had the potential to be a much more entertaining video, even if it did put choggie in the "fucking moron" category of those who electrocute themselves.

Creepy Back to the Future kid points to his "flux capacitor"

arvana (Member Profile)

rottenseed says...

Last night in my physics course we were learning how to find impedance due to inductors, capacitors, and resistors in an AC circuit and we had to learn a math that was new to me before last night. In that math lesson we went over the power series of e^x and found mathematically how e^(i*pi)=-1, or as it's more commonly shown e^(i*pi) + 1 = 0. I guess this is known to the math community as one of the most elegant equations due to it's complexity and it's purity. Pretty crazy...

Time Traveling Delorean Mod!

lucky760 says...

Really cool though it's irksome they left out the requisite flaming tire tracks. And it really didn't seem like they had enough road to get up to 88. I wonder how they were able to generate the 1.21 jiggawatts required to power the flux capacitor.

COLBY, THE CHRISTIAN ROBOT!

High voltage capacitor bank versus Watermelon

Mashiki says...

>> ^deathcow:
Notice the holes are pre-drilled. Do you think they pumped that melon full of something combustible?

Nah. That multi-strand AWG is still pretty hard to push through things, since it's not solid core, and if you were using solid core wire you might get a nasty effect from it too.

High voltage capacitor bank versus Watermelon

High voltage capacitor bank versus Watermelon

deathcow (Member Profile)

High voltage capacitor bank versus Watermelon

High voltage capacitor bank versus Watermelon

Throbbin says...

>> ^Razor:
>> ^deathcow:
Notice the holes are pre-drilled. Do you think they pumped that melon full of something combustible? I guess they are pretty wet inside (I've never American Pie'd one or anything.)

I'd take the guess that such a large amount of direct current caused the water in the watermelon to decompose rapidly to hydrogen and oxygen. Both would expand rapidly, being partial cause to the explosion as pressure inside increased. Additionally, the combination of gases is highly combustible, and any spark generated between the electrodes would be enough to cause them to ignite, causing an additional pressure increase and explosion.


I think the electricity made it explode.



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Beggar's Canyon