Units are a major way we describe the world around us, and by looking at the scientists some of them are named after, we can get a sense of how we’ve learned so much about our universe.

Units are a major way we describe the world around us, and by looking at the scientists some of them are named after, we can get a sense of how we’ve learned so much about our universe.

It's an old cliche: an opera singer hits a note so high, it breaks a wine glass. It may seem over the top, but with a little science (and an amp), you too can break a glass like the finest soprano!

Will this be the last video I make about SI units? Quite possibly. There's something about being so precise and defining the systems within which science works. When we can more accurately and routinely measure a kilogram, a mole, a...

The story of one young guitarist, who befell the dangers of electricity. Why is electricity dangerous to humans? And is it only voltage which can be deadly? Physics - Electricity And Circuits - Learning Points. An electrical current of...

¿Cómo funcionan los tableros de distribución? Aprende en este vídeo qué es el cabezal de servicio, el fusible, el interruptor automático, el interruptor miniatura, el dispositivo de corriente residual, el cable vivo, la fase, el neutro,...

¿Por qué conectamos baterías? descúbralo aquí con baterías en serie y en paralelo, así como con cálculos de duración de la batería.

LED Circuit Design - Wie man LED-Schaltungen selber macht. Wie man die Größe von Widerständen berechnet, wie man LED schützt, wie lange eine Batterie eine Schaltung versorgt, wie man die Leistung von Widerständen berechnet, wie man LED...

Gleichstrom Reihenschaltung. In diesem Video lernen wir die Funktionsweise von Gleichstrom-Reihenschaltungen kennen und sehen uns Spannung, Strom, Widerstand und Stromverbrauch an, wie man ein Multimeter verwendet, Am Ende werdet ihr...

Learn why electronics generate heat, how to optimise cooling system design using CFD Computational Fluid Dynamics.

Learn how heat pipes, heat sinks, water cooling, liquid cooling, pc cooling, laptop cooling works with thermal...

LED Circuit Design - How to design LED circuits. How to calculate resistor size, how to protect LED, how long will a battery power a circuit, how to calculate resistor power rating, how to connect LED and much more.<br/>

How does a battery work, learn from the basics where we use and battery and how batteries work. With thanks to Squarespace for sponsoring this video.

Why do we connect batteries? find out here with series and parallel batteries as well as battery life calculations.

Multi-LED circuit. How to design a circuit which uses multiple LED's or multi-colored LED's. We learn the basics in this video with full calculations to design electronic circuits.<br/>

How long will a battery power a circuit? Learn how to estimate battery life in this video.

In this video we learn how three phase electricity works from the basics. We explain how three phase electricity is generated, how the voltages vary, how to calculate the voltages and vrms, what frequency, hertz and cycle mean and how...

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...

An introduction to Conventional Current and Direct current. Includes conventional current direction and dimensions. We even talk about the Bohr model of the atom. And, of course, an example problem where we figure out current and the...

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...

Learn how researchers at NIST are using the infamous tuberculosis bacteria to help answer the decades-old question of how genes are switched on and off.

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...

Parallel Circuits Explained. In this video we take a look at how DC parallel circuits work and consider voltage, current, resistance, power consumption as well as some worked examples and some test questions with solutions.

Nucleotide Metabolism | Purine Biosynthesis 1: Up to IMP

Nucleotide Metabolism | Myokinase & the Purine Nucleotide Cycle