As others have said, he melted aluminum. It’s one of the worst metals to melt in induction, as it’s resistivity is so low it’s like running an open coil (high voltage, low current), which is inefficient. You’ll find that the precious metals are similar, so I think it’ll melt fine. Copper is even worse. Steel is ideal and the primary target of induction heating and melting in the world. titanium oxidizes instantly without a hard vaccuum or a pure argon environment.
For curtains, I bought white poly-lycra material and was going to sew a top tube for the paracord (that is tied between the handles on the side above the doors and window visor and also across in the front tucked under the center ceiling console) to go through and wound up just using heavy duty black metal binderclips over the poly-lycra wrapped over the paracord. I roll up the curtains and clip when driving.
For the Ram; I picked up a 500A rated isolator, a three position heavy duty switch so if I needed I can use a switch position circuit for starting if the main battery dies and whatever the next heavier gauge spec’ed wire for the distance ran based on the batteries being mounted on a tray beside the chassis under the bed behind the passenger seat. I also picked up some fuses and a breaker though haven’t wired this into the truck yet. The Marine Heavy Duty Deep Cycle AGM batteries are the best. For lithium I found “INR” that are supposed to be the safest other than Lithium Iron Phosphate (LiFePO4). The laptop batteries I have are from Lenovo X200 series that haven’t had issues I’ve read about and are “IMR” so you want to make sure not only the charger and controller chip is good… the internal specifications are met also. I also used from Dewalt 18V and 20V batteries too where the batteries also have there own controller to meter and turn off the battery.
The comment on wire gauge is more than fair, that wire is shockingly thin for what is passing through it, just look at the PSU terminals!
I like Penn and Teller’s method in the movie short THE INVISIBLE THREAD (1987) with infamous G. Gordon Liddy portraying a DoD general from the E-Ring (@Pentagon) – ask me for YouTube link. Teller actually repelled the attack with his impeccable logic (despite being a voluntary mute). NASA not so much…
I’d like to see something like this, the big problem though is that they’re not directly comparable. Everything on that chart is exposure to ionising radiation (e.g. X-rays). In your examples, the Sun and I believe the photocopier produce ionising radiation, but mobile phones/towers, microwave ovens, etc. are all non-ionising.
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But EMP seems like a bad idea, there are a lot of other ways to detect cheating that are cheaper and easier than blasting electronics.
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Perhaps one could get away with making a furnace out of a hollow piece of steel, i think however this is an impractival approach.