Firing the Lorentz Plasma Cannon

Why HN readers recommended it

HN users suggest it to anyone who enjoys extreme high-voltage projects and big capacitor-bank discharges.

This is a summary from the source dataset, not an endorsement by Hacker News or the video creator.

Video & recommendation details

Creator / channel

LightningOnDemand

Topic

high-voltage plasma devices

Format

demo

Level

general

HN recommenders in dataset

2

HN mentions in dataset

5

Recommendation years in dataset

2025–2026

These counts and years describe the included Hacker News records; they are not YouTube views or the video’s publication date.

From the original HN conversations

Excerpts from the recorded comments. Follow each source for the full comment and surrounding discussion.

• The future is now: Check out Lightning On Demand, [LINK] (Tesla tower approach & scientific motivations) & [VIDEO] (capacitor driven Lorentz plasma cannon demo)

• You might enjoy Lightning On Demand's Lorentz Cannon: [VIDEO] I does seem like a lot of stuff is needed. He's got 2 tons of capacitors in a stack 20 feet tall to get around 35 feet of range. He although he says: "I was surprised …

• > Capacitors are a terrible energy source. They're a pretty good way of storing energy in a way you can deliver it _really really_ fast. Sure, not in a way your carefully designed electronic circuits can make use of it, but if you need a …