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Veritasium
Veritasium
A selection of films suitable for use in the classroom presented by Derek Muller the from the ever popular Veritasium YouTube channel .
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How does a transistor work
This video explains how n-type and p-type semiconductors can be used to create a transistor.
The explanation
n-type semiconductors are made from silicon that has been doped with phosphorous. The additional electron from the P can be used to form a current. P-type semiconductors are...
How to make a quantum bit
This video explains that to compute the prime factors in a 2048 number would take a classical computer years, yet the ability of a quantum computer to use superposition, which reduces the number of steps to complete a computation, makes it possible in minutes.
The explanation
The...
Quantum cooling to (near) absolute zero
This video explains how zero point energy in helium-3 and helium-4 atoms means that atoms, even at absolute zero vibrate. The smaller size of the helium-3 means it vibrates more. In a mixture of helium-3 and helium-4 the helium-3 atoms can get closer to helium-4 than to other helium-3 (less vibration in helium-4...
Transistors and the end of Moore's law
This video reviews how transistors work and introduces Moore’s law, i.e., the number of transistors fitted onto a chip increases exponentially with time.
This means that the size of the transistor must reduce significantly. However, as the buffer zone (prevents current flowing) between n-type...
Pages
| Subject(s) | Science |
|---|---|
| Age | 14-16, 16-19 |
| Published | 2010 to 2019 |
| Published by | |
| Direct URL | https://www.stem.org.uk/cx6xvw |
