212 results found for physics

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Hare - The Transistor 00:03:00

How does a transistor work?

by Jonathan Hare
How does a transistor work?
for 11-14 and upwards,
Lectures | 11-14 and upwards | 5 years ago | 1540 views
Rating:

A short video explaining how transistors work.  At the heart of our high-tech society with radios, mobile phones, computers and space exploration are tiny electronic components called transistors.  They have revolutionised electronics and in the pr....

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Lucas 00:57:00

How X-rays cracked the structure of DNA

by Amand Lucas
How X-rays cracked the structure of DNA
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 961 views
Rating:

An elegantly simple optical diffraction demonstration with an inexpensive laser pointer is used to show the way in which x-rays can reveal the structure of crystals, and in particular, the double helix structure of DNA.

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human-sound 00:11:00

Human Sound

by Joe Wolfe
Human Sound
for 14-19 and upwards,
Lectures | 14-19 and upwards | 7 years ago | 1416 views
Rating:

Sound is produced in the larynx; filtering it in the vocal tract produces formants and phonemes. The acoustics, mechanics and some neurobiology of hearing. Pitch perception.

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Shaha 00:02:00

Hunting for Higgs – Why Build the Large Hadron Collider?

by Alom Shaha
Hunting for Higgs – Why Build the Large Hadron Collider?
for All ages,
Lectures | All ages | 10 years ago | 834 views
Rating:

This short documentary explains why the Large Hadron Collider was built and what scientists are using the collider to look for.

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0000-magnet_01 (1).jpg 00:29:00

hyperfine interactions

by Stefaan Cottenier
hyperfine interactions
for 14-19 and upwards,
Lectures | 14-19 and upwards | 4 years ago | 1903 views
Rating:

30-minute lecture about the physics of hyperfine interactions, and about how to calculate hyperfine interactions by the WIEN2k DFT code

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Wyatt 00:53:00

Importance of Physics in Industry

by Phillip Wyatt
Importance of Physics in Industry
for All ages,
Lectures | All ages | 8 years ago | 3675 views
Rating:

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Bryan 00:06:00

Improving your Memory

by Matthew Bryan
Improving your Memory
for 14-19 and upwards,
Lectures | 14-19 and upwards | 10 years ago | 723 views
Rating:

Looking at how hard disk drives can be improvedn

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Milstead 00:14:00

In search of the mysterious magnetic monopole

by David Milstead
In search of the mysterious magnetic monopole
for 18-22 and upwards,
Lectures | 18-22 and upwards | 10 years ago | 842 views
Rating:

Searching for the mysterious magnetic monopole.

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interference-and-consonance 00:08:00

Interference and consonance

by Joe Wolfe
Interference and consonance
for 14-19 and upwards,
Lectures | 14-19 and upwards | 8 years ago | 1078 views
Rating:

Superposing waves with different frequencies gives beats and Tartini tones. Removing beats gives consonance. Tuning consonances gives temperament.

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Isaac Newton 00:18:00

Isaac Newton and Gravitation

by Colin Byfleet
Isaac Newton and Gravitation
for 14-19 and upwards,
Lectures | 14-19 and upwards | 11 years ago | 2158 views
Rating:

A look at what was known when Newton started to develop his theory of gravitation and how he used these ideas and data to make his great forward step

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Giaever 00:15:00

Ivar Giaever

by Ivar Giaver
Ivar Giaever
for 14-19 and upwards,
Interviews | 14-19 and upwards | 10 years ago | 1246 views
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Ivar Giaever won the Nobel Prize in 1973 for his investigations of tunneling in semiconductors and superconductors. Giaever worked on metal thin films and tunneling and took a Solid State physics course. Although he knew nothing about Superconductivi....

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Laser Spectroscopy of Hydrogen Lindau-Nobel Theodor Hansch Physics 2012 00:31:00

Laser Spectroscopy of Hydrogen

by Theodor Hänsch
Laser Spectroscopy of Hydrogen
for 18-22 and upwards,
Lectures | 18-22 and upwards | 4 years ago | 760 views
Rating:

The simple Balmer spectrum of atomic hydrogen has provided the Rosetta stone for deciphering the strange laws of quantum physics during the early 20th century.  Four decades ago, Doppler-free laser spectroscopy opened a new chapter in the exploratio....

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