If there’s one thing Blasted Science likes more than Jacob’s Ladders, it’s microwaves. They’re loaded with tons of useful equipment, most notably the massive transformer and the magnetron. We’re planning on making a HERF gun out of one, but first we’re going to have a little fun. Hopefully something explodes.

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As we mentioned in our last video, our rocket engines don’t work very well on their own. They have zero aerodynamics and mostly just spin around randomly in the air like an untied balloon. In this video, we explain the basic principles of rocket body design and demonstrate how to make one out of cardboard. It’s ridiculously easy.

When making these rockets, keep in mind that they are extremely finicky and precise; many rocket will fail before you get one to work. Even at our peak, we weren’t able to get more than about 50% of our rockets to fly well. Make sure your rocket body is well-designed!

The post New Video: How to Build a Rocket Body from Household Items appeared first on Blasted Science.

These engines work great if you build them right. However, we stress the importance of precision. In particular, make sure the end caps and nozzle are made perfectly, otherwise you’ll have a flare.

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Stale napalm burns even longer than we expected. Also it looks like a cheese wheel. Check it out!

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Napalm is a thick jelly made from styrofoam and gasoline that burns hot and long. It’s also terrible for the environment; don’t breathe in the dirty, black smoke unless you’re ready to die.

Previously, napalm was hidden from the general public. Only the most talented of scientists could make it. Now you can make napalm just like the pros!

The post New Video: How to Make Napalm from Gasoline and Styrofoam appeared first on Blasted Science.

The thing we cracked open is a big light from inside a projector TV. They are full of juice.

We don’t recommend spilling any on your driveway as it takes days to disappear. Don’t drink it either.

The post New Video: “Super Juicy” – Jacob’s Ladder Bonus Video appeared first on Blasted Science.

This is hands-down the easiest way to make a Jacob’s Ladder, period. All you need is an old TV and a death wish.

The actual tutorial in the video is quite subtle, so here’s a written explanation of exactly what we did:

Instructions:

1. Take apart a CRT TV. Be careful! They can implode if you crack the glass.
2. Rip the circuit board out. This will probably require cutting a few wires.
3. Plug it into the wall, and turn it on. You should hear a high-pitched noise. This is the part where you be EXTREMELY careful.
4. Two of the biggest (usually red) wires will arc up to a few centimeters. These are the wires you want. Don’t get your bare skin near them. Keep your left hand behind your back at all times.
5. Hook the two arcing wires up to a pair of metal rods that are in a long V-shape. Voila! That’s all there is to it.

You might have to initiate the spark by putting something metal between the two wires at the bottom.

DO NOT TRY THIS AT HOME. A SINGLE MISTAKE WILL KILL YOU. The electricity is powerful enough to instantly kill you. Would not recommend.

The post New Video: How to Make a 20,000 Volt Jacob’s Ladder (Sort of) appeared first on Blasted Science.

This has absolutely nothing to do with science but…

People need to know.

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Case in point: Napalm Soccer. Blasted Science recently discovered that napalm is the perfect substitute for a soccer ball. And it’s great.

Based on the number of near-misses we’ve already had, we highly recommend that you don’t try this at home.

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This update is a couple months late. We noticed.

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