Curated Video
120V 240V Electricity explained - Split phase 3 wire electrician
How 120V / 240V electricity is distributed from the power station and to your property. We look at how it is connected to power domestic appliances as well as the main components such as the electricity meter, main service panel, main...
Curated Video
Why Mind Wandering Is Bad For You and How to Stop It
Random, unintentional thinking like you do when your mind wanders happens in a different part of the brain than intentional thoughts. And too much mind wandering is bad for you in that it makes you more anxious and unhappy. In this...
Science Buddies
Build a Simple Steerable Robot
This video shows how to build your own simple steerable robot with a wired remote control. This makes the circuit very easy to build for beginners. You can use a solderless breadboard for easy construction, or solder your circuit to make...
Science Buddies
Measure Electrolytes in Sports Drinks - Science Project
What has more electrolytes, Gatorade or orange juice? Find out in this science project as you build a circuit to measure the electrolyte content of different drinks. Science Project Kit:...
Science Buddies
🦄How to Build a Simple Unicorn Robot🦄
Build a unicorn robot that makes its own art! A kit with the electronic parts for this project is available here: https://www.homesciencetools.com/product/bristlebot-robots-kit/?aff=SB1. Written instructions to build an Art Bot are...
Science Buddies
DIY Levitating Water Drop Fountain
Build your own levitating water fountain! Use the stroboscopic effect to "freeze time" and make water drops look like they are frozen in mid-air or even falling up. Check out the Science Buddies website for written instructions to build...
Science Buddies
Sewable RGB LED Unicorn Horn
Make your own RGB LED unicorn horn in this fun DIY activity! Written instructions, materials list, and downloadable files for this sewable electronics project are available on the Science Buddies website:...
Science Buddies
Control a Positional Servo Motor with an Arduino
Learn how to use the Arduino servo library to control a positional servo motor in this video. Visit the the Science Buddies website for cool science projects you can do with an Arduino:...
Flipping Physics
2017 #1 Free Response Question - AP Physics 1 - Exam Solution
My solutions to Free Response Question #1 from the 2017 AP Physics 1 Exam. This is an electric circuits question about ranking electric potential differences and electric power. Also included are my reflections on how to get perform...
Flipping Physics
Resistor Circuit Example
A combination series and parallel resistor circuit which includes a short circuit. Includes an animation of the electric potential energy of the charges as they move through the circuit.
Visual Learning Systems
The Flow of Current and Electrical Charges
In this video, the concept of electrical circuits and current flow is explained. The narrator discusses how wires in homes form circuits that supply electricity to various appliances and devices. The video also introduces the concept of...
Science360
A glass conductor
A light bulb has the glass carefully removed, leaving the glass base and filament intact. The bulb is connected to AC electricity, and the filament quickly and dramatically burns out. This leaves the two wires that originally supported...
FuseSchool
Power Stations & The National Grid
The flick of a switch, that’s how easy it is to get electricity, right? If you’re one of the lucky ones, then yes. But in 2017 there are still over 1 billion people who do not have access to electricity. In this video we will discuss how...
Weatherthings
Weather Things: Lightning Safety
Lightning is spectacular, from a distance. It's nature's way of transferring electricity within the sky, or between the sky and the ground. When lightning is nearby, it is a threat to safety. People are struck by lightning, in many cases...
Paul Marriott
Tutorial: Modding 4 x 7.4v 18650 Lithium Ion Battery w/Barrel Wire & 8.4v Charger
A full tutorial to mod both a 18650 7.4V Lithium Ion Battery and 8.4V charger with standardised barrel wire male and female connectors. An Arduino Uno microcontroller is used for testing purposes.
3D Print General
Homemade Solutions to 3D Printing Problems
Just some homemade solutions for 3D printing problems for when you don't have the parts on hand. Remember - none of these are ideal. Solutions covered: Getting moisture out of spool of filament Connecting Wires Trash Bag Enclosure Using...
Catalyst University
Iontophoresis EXPLAINED Theory, Use, & Example with Calculations
In this video, we explore the theory, use, and parameters with drug delivery via iontophoresis.
FuseSchool
Wires
Wires | Electricity | Physics | FuseSchool A broken wire means two things; 1. It won’t work properly anymore. 2. It’s dangerous and shouldn’t be used. In this video we’re going to look at wires, the wiring of a plug and why insulation is...
3D Print General
Build Plate Not Heating - 3D Printing Tutorial
Just a quick video tutorial on how to fix the issue of your 3D printer's build plate not heating.
EarthEcho International
Engineering Solutions for Ocean Acidification
The video discusses the issue of ocean acidification and its impact on marine ecosystems and human health. It also highlights the work of scientists and organizations, including the XPRIZE Foundation, in developing tools to measure ocean...
Visual Learning Systems
Introduction to Transformers
This video explains the concept and composition of transformers, which are devices that can increase or decrease the voltage of an alternating current. It uses the example of transformers found on telephone poles to illustrate how they...
3D Print General
Converting CR-10 to Direct Drive
In today's video, I convert my CR-10 with a Bondtech BMG and E3D hotend to a direct drive setup. Direct drive allows for more flexible and exotic materials to be used but comes at the cost of a heavier extruder carriage. If you are not...
Curated Video
DC Series circuits explained - The basics working principle
Series circuits DC Direct current. In this video we learn how DC series circuits work, looking at voltage, current, resistance, power consumption as well as how to use a multimeter. There's also a problem at the end of the video for you...
Weird History
The CIA Once Trained a Cat to Be a Spy
From the Bay of Pigs fiasco to the tall tale of Iraq's "weapons of mass destruction," the CIA is no stranger to expensive and embarrassing blunders. One such blunder occurred in the '60s and was known as Operation Acoustic Kitty, a...