This is at the cafe inside the Memphis Zoo. The manager of the cafe told me that the alpha male monkey noticed me the second I walked in the door and started going crazy, because, as the alpha male, he feels threatened by tall males. So she told me to go…

This project gathers all the mechanisms created by a great Russian mathematician Pafnuty Lvovich Tchebyshev (1821—1894).

Знаете ли вы, что с помощью логарифмической линейки можно не только чертить прямые линии, но и, например, умножать числа?

Check out this later video where I run the Thruster up to faster RPMs:
https://youtu.be/pALhUy-Fqs0

Take a look at the Raptor design that could potentially use this thruster for it's propulsion system:
https://youtu.be/5-ya-W2M2lA

When the patent is published…

Kenneth Kaas is a professional plumber and pipe fitter from Norway. Instead of digging underground or using any kind of demolition to clean or replace the pipes, he cures them from the inside.

For more, visit:
https://www.tiktok.com/@kennethkaas

MORE…

A brief but surprisingly exciting 1984 video showing the preparation and live, real-time cutover from Step By Step switching system (SXS) to a new electronic switching system (ESS) in Glendale, California.

Western Electric offered the Speedy Cutover Service…

The video shows a theoretical problem in computer science and a solution for it. It is presented as a riddle, but note it's not easy to solve.

The shown solution is based on the first solution proposed for this problem. It requires ~3n steps, and 17 states.…

I have recreated a "fractal" chair based off a patent from 1913. Similarly to the "fractal" vise that I previously restored, this chair uses the same series of pivoting sections to fully adapt to the shape of someone sitting down. The original patent can…

In Today's video, we take a look at Allen's paper wheels; wheels made for railroad cars that were made of literal, actual paper

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This video falls under the fair use act of 1976 This video is available to use under the appropriate…

Everyone should watch this video: World Amazing Modern Technology Street Sweeper Machines
- Fastest Road Construction Clean Equipment

This video explains the function of the mechanical integrator, a mechanism crucial to the development of mechanical analog computers throughout the twentieth century.
This video is part of a project I have been working on in collaboration with Professor…

To Buy Tubes and Amplifiers Email jdflyback@gmail.com Construction of a 1920s style tube amplifier using homemade vacuum tube triodes. Filament consumption is 8 volts at 1.75 amps, B+ is 230 volts at 6 mA. Inspired by glasslingers 1920's Horn Speaker Amplifier.…

Inspired by Posy's video on segmented displays
Visuals were all made by me! (Except seven segment display, that’s just a font)

Downloadable font for Serjaos display (made by viewer): https://github.com/klhrt/customfonts/commit/c5f86fc8b9a870af442009820531fe72de40a9fd…