Month: November 2018

How does an Induction Motor work ?

Please support us at so that we can add one more member to the team and will be able to release 2 educational videos/month. The invention of induction motors permanently altered the course of human civilization. This hundred-year-old motor—invented by the great scientist Nikola Tesla—is the most common motor type, even today. In fact, about […]

NALMS Student Video Series #1: How to Take a Secchi Depth

The first installment of the NALMS Student Video Series, “Measuring Secchi Depth.” The NALMS student video series is designed to help teach citizen scientists, students, and the general public about lake management, the equipment used to monitor lake processes, and how to make limnological equipment. Thank you and congratulations to Leah Gorman (SUNY Oneonta, Cooperstown, […]

How it works! Galvanic cell / Daniell cell / Copper zinc battery (3D Animation)

This 3D animation explains in English the Galvanic cell (also known as Voltaic cell) by means of the Daniell cell, which is composed of a copper half-cell and a zinc half-cell. The video clearly explains how this type of battery works (copper zinc battery). Contents: 1) Basics of the Galvanic cell (cupric sulfate solution + […]

How I Thread My Face (REQUESTED)

I hope this video isn’t too dark, I purposely lowered my lighting so that you can really see what’s happening – feedback is always gold so thank you!! Don’t miss out, subscribe here! Threading is the easiest thing ever and once you can remove facial hair at home, you may choose to skip the salon! […]

How to make a secret door / bookcase

Make a secret door/bookcase with a book latch! For more info and a list of everything you’ll need visit This project was partially supported by Nicholas Gomez on Patreon! Thanks to Nicholas for all of his awesome support! You can help support my videos, get a free month of service and a free audiobook by […]