12 results found for physics

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Hare Electrical Generator 00:04:00

Electrical Generator

by Jonathan Hare
Electrical Generator
for 11-14 and upwards,
Lectures | 11-14 and upwards | 5 years ago | 817 views
Rating:

This short video shows one of the demonstrations for the Physics SEPNet exhibition - "Who will keep the lights on?" which travelled around the southern UK from February 2009.  We describe and explain the electrical generator demonstration which Jona....

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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 | 1453 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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Hare - Longboard 4 00:08:00

Longboard data analysis

by Jonathan Hare
Longboard data analysis
for 14-19 and upwards,
Lectures | 14-19 and upwards | 5 years ago | 1130 views
Rating:

Using a data-logger to analyse the performance of a longboard.

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Hare - Longboard 2 00:04:00

Longboard physics

by Jonathan Hare
Longboard physics
for 14-19 and upwards,
Lectures | 14-19 and upwards | 5 years ago | 5976 views
Rating:

A few (surprising?) thoughts on how the wheels on a longboard or skateboard actually move.

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Hare Mobile Phone 00:04:00

Mobile Phone

by Jonathan Hare
Mobile Phone
for 11-14 and upwards,
Lectures | 11-14 and upwards | 5 years ago | 957 views
Rating:

Jonathan shows us with a cheap and simple homemade demonstration how your mobile telephone generates radio waves in order for you to use it to communicate.  As you will see you can use this method to explore many aspects of your mobile phone!

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Hare - Paper Windmills 00:09:00

Paper Windmills

by Jonathan Hare
Paper Windmills
for 11-14 and upwards,
Lectures | 11-14 and upwards | 5 years ago | 2431 views
Rating:

Jonathan makes some simple paper windmills/turbines and experiments with a simple generator to power house hold devices such as torches, calculators and even a radio.

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Hare - Simple Electrical Generator 00:06:00

Simple Electrical Generator

by Jonathan Hare
Simple Electrical Generator
for 11-14 and upwards,
Lectures | 11-14 and upwards | 5 years ago | 870 views
Rating:

With some simple circuitry and a homemade hand powered generator Jonathan makes AC and DC electricity that could be used for charging a mobile phone or attaching to a wind turbine.

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Hare - Solar Cells 00:06:00

Solar Cells

by Jonathan Hare
Solar Cells
for 11-14 and upwards,
Lectures | 11-14 and upwards | 5 years ago | 5228 views
Rating:

A short video on solar cells explaining with accompanying information sheet. How they work and how Jonathan uses solar power at home.

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The dynamics 00:09:00

The dynamics of a spinning chair

by Rufus Marsh
The dynamics of a spinning chair
for 14-19 and upwards,
Discussions | 14-19 and upwards | 3 years ago | 651 views
Rating:

Jonathan talks to a real exoert about the science of balance.

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Hare Fresnel 00:05:00

The Fresnel Lens

by Jonathan Hare
The Fresnel Lens
for 14-19 and upwards,
Lectures | 14-19 and upwards | 5 years ago | 730 views
Rating:

Early lighthouses used coil and wood fires before moving on to gas and then electricity powered lights.  Massive improvements took place by using a lens system around the light.  The development of the Fresnel lens brought what we now regard as the....

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Hare - Longboard 1 00:07:00

The Longboard – speedometer

by Jonathan Hare
The Longboard – speedometer
for 14-19 and upwards,
Lectures | 14-19 and upwards | 5 years ago | 1215 views
Rating:

Jonathan describes his adventures with a longboard and some different methods of making a speedometer for it.

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Hare - Wave Power 00:05:00

Wave Power

by Jonathan Hare
Wave Power
for 11-14 and upwards,
Lectures | 11-14 and upwards | 5 years ago | 908 views
Rating:

The UK coast is constantly being bombarded by sea waves.  There is a massive amount of power available from these waves.  Jonathan describes three different ways of generating electrical power from water waves.

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