62 results found for 11-14-year-olds

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00:03:00

The Krebs Cycle

by Matt Johnson
The Krebs Cycle
for 11-14 and upwards,
Lectures | 11-14 and upwards | 3 years ago | 0 views
Rating:

Matt Johnson explains the Krebs Cycle, its discovery by a University of Sheffield Nobel Prize winner and its role in endurance sports such as cycling.

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00:45:00

Dr. Ahlquist Lecture 2

by Jon Ahlquist
Dr. Ahlquist Lecture 2
for 11-14 and upwards,
Lectures | 11-14 and upwards | 4 years ago | 3048 views
Rating:

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00:32:00

Dr. Ahlquist Lecture

by Jon Ahlquist
Dr. Ahlquist Lecture
for 11-14 and upwards,
Lectures | 11-14 and upwards | 4 years ago | 2359 views
Rating:

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00:03:00

Modelling C60

by Jonathan Hare
Modelling C60
for 11-14 and upwards,
Lectures | 11-14 and upwards | 6 years ago | 991 views
Rating:

Jonathan describes the construction of a model of the C60 molecule.

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00:05:00

Wave Power

by Jonathan Hare
Wave Power
for 11-14 and upwards,
Lectures | 11-14 and upwards | 6 years ago | 977 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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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 | 6 years ago | 1571 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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00:06:00

Solar Cells

by Jonathan Hare
Solar Cells
for 11-14 and upwards,
Lectures | 11-14 and upwards | 6 years ago | 5298 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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00:06:00

Simple Electrical Generator

by Jonathan Hare
Simple Electrical Generator
for 11-14 and upwards,
Lectures | 11-14 and upwards | 6 years ago | 949 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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00:09:00

Paper Windmills

by Jonathan Hare
Paper Windmills
for 11-14 and upwards,
Lectures | 11-14 and upwards | 6 years ago | 2561 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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00:04:00

Mobile Phone

by Jonathan Hare
Mobile Phone
for 11-14 and upwards,
Lectures | 11-14 and upwards | 6 years ago | 1040 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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00:06:00

What is Graphene?

by Jonathan Hare
What is Graphene?
for 11-14 and upwards,
Lectures | 11-14 and upwards | 6 years ago | 2263 views
Rating:

In October 2010 the Nobel Prize for Physics was won by Andre Geim and Konstantin Novoselov at Manchester University for their work on graphene but if you are left wondering just what graphene is then watch this video. Jonathan explains all.

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00:07:00

Graphene and the Carbon Revolution

by Jonathan Hare
Graphene and the Carbon Revolution
for 11-14 and upwards,
Lectures | 11-14 and upwards | 6 years ago | 1214 views
Rating:

Jonathan explains what graphene is and how it fits into the revolution in carbon science.

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00:04:00

Electrical Generator

by Jonathan Hare
Electrical Generator
for 11-14 and upwards,
Lectures | 11-14 and upwards | 6 years ago | 895 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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00:04:00

Queueing theory

by Bill Hammack
Queueing theory
for 11-14 and upwards,
Lectures | 11-14 and upwards | 9 years ago | 4517 views
Rating:

Bill introduces queueing theory and uses it to design the most efficient check out line

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00:04:00

Photocopier

by Bill Hammack
Photocopier
for 11-14 and upwards,
Lectures | 11-14 and upwards | 9 years ago | 3644 views
Rating:

Bill uses power tools to take apart a photocopier. He shows how it works, and shares the story of its invention by Chester Carlson.

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00:05:00

The Light Bulb

by Bill Hammack
The Light Bulb
for 11-14 and upwards,
Lectures | 11-14 and upwards | 9 years ago | 5263 views
Rating:

Bill reads from his book of fairy tales. He tells the story of the engineering of a light bulb, focusing on the materials breakthrough needed to make the filament.

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00:03:00

Copper – The Miracle Metal

by Bill Hammack
Copper – The Miracle Metal
for 11-14 and upwards,
Lectures | 11-14 and upwards | 9 years ago | 1162 views
Rating:

Bill cuts a copper pipe from his ceilng to show the five properties of copper that make it the most important metal for our world: From clean water to electronics.

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00:06:00

Concrete

by Bill Hammack
Concrete
for 11-14 and upwards,
Lectures | 11-14 and upwards | 9 years ago | 1244 views
Rating:

Bill moves a piece of sewer pipe into his office to show how important the ancient material concrete is to our modern world. It, of course, wreaks havoc on his office.

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00:03:00

The Geiger Counter

by Bill Hammack
The Geiger Counter
for 11-14 and upwards,
Lectures | 11-14 and upwards | 9 years ago | 929 views
Rating:

Bill sings a song - with help from Doris Day - about the geiger counter. He shows that scientist Hans Geiger became an engineer when he designed the counter as a tool to make his life easier.

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00:03:00

The Cell Phone

by Bill Hammack
The Cell Phone
for 11-14 and upwards,
Lectures | 11-14 and upwards | 9 years ago | 986 views
Rating:

Bill invades a cell phone store to show that the design of a mobile isn't arbritary. Engineers uses seven basic principles to create a useful phone.

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00:03:00

Tantalum

by Bill Hammack
Tantalum
for 11-14 and upwards,
Lectures | 11-14 and upwards | 9 years ago | 940 views
Rating:

With his hammer Bill cracks up a cell phone to expose how our electronic gadgets rely on the mineral tantalum - mined as Coltan.

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00:03:00

Why a Chair?

by Bill Hammack
Why a Chair?
for 11-14 and upwards,
Lectures | 11-14 and upwards | 9 years ago | 1130 views
Rating:

Bill asks the question 'Why a chair?' ... the answer reveals the human aspects of engineering design.

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00:03:00

Garbage – Rubbish?

by Bill Hammack
Garbage – Rubbish?
for 11-14 and upwards,
Lectures | 11-14 and upwards | 9 years ago | 932 views
Rating:

Bill covers his office floor with trash to see what takes up space in a landfill. He digs through fast food containers and diapers to learn that what we really need is green design of our manufactured objects.

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00:03:00

Matches

by Bill Hammack
Matches
for 11-14 and upwards,
Lectures | 11-14 and upwards | 9 years ago | 899 views
Rating:

Bill reveals the importance of matches in the 19th century; he shares how adding phosphorous to them revolutionized life - in both good and bad ways

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00:02:00

Golf Balls

by Bill Hammack
Golf Balls
for 11-14 and upwards,
Lectures | 11-14 and upwards | 9 years ago | 972 views
Rating:

To learn what's inside a golf ball - and to show how clever engineers are - Bill uses a special cutter to chop one open - well more than one.

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00:03:00

The Transistor

by Bill Hammack
The Transistor
for 11-14 and upwards,
Lectures | 11-14 and upwards | 9 years ago | 907 views
Rating:

Bill examines the first transistor ever built. He explains how it works, and its impact on our world today. And, also, he even tests it out!

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00:03:00

The Thermostat – Why does it look like it does?

by Bill Hammack
The Thermostat – Why does it look like it does?
for 11-14 and upwards,
Lectures | 11-14 and upwards | 9 years ago | 1109 views
Rating:

Armed with a pair of wire cutters Bill shows how a common thermostat reveals how good industrial designers keep track of the dimensions of a human being.

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00:05:00

The Transistor 2

by Bill Hammack
The Transistor 2
for 11-14 and upwards,
Lectures | 11-14 and upwards | 9 years ago | 867 views
Rating:

Bill shows how a transistor works by examing a replica of the first one ever build: The Bardeen-Brattain point contact transistor.

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00:03:00

IBM Selectric Typewriter

by Bill Hammack
IBM Selectric Typewriter
for 11-14 and upwards,
Lectures | 11-14 and upwards | 9 years ago | 2609 views
Rating:

Using slow motion video Bill Hammack shows how the mechanical digital-to-analogue converter of IBM's revolutionary 'golf ball' typewriter works.

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00:02:00

Aluminium drinks can tab

by Bill Hammack
Aluminium drinks can tab
for 11-14 and upwards,
Lectures | 11-14 and upwards | 9 years ago | 1381 views
Rating:

Bill uses slow motion video to show the ingenious engineering design of the apparently simple tab of a pop can.

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00:02:00

Black Box – A flight data recorder

by Bill Hammack
Black Box – A flight data recorder
for 11-14 and upwards,
Lectures | 11-14 and upwards | 9 years ago | 2286 views
Rating:

In designing an object an engineer must choose the proper material. Never is this more important than in the 'black box' flight data recorder.

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00:04:00

Quartz Watch

by Bill Hammack
Quartz Watch
for 11-14 and upwards,
Lectures | 11-14 and upwards | 9 years ago | 947 views
Rating:

Bill takes apart a cheap watch to show how it works. He describes how a tiny quartz tuning fork keeps the time.

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00:02:00

The Whiffletree

by Bill Hammack
The Whiffletree
for 11-14 and upwards,
Lectures | 11-14 and upwards | 9 years ago | 1660 views
Rating:

Bill describes how a whiffletree was used in early calculating devices to do mechanical digital to analog conversion. He shows briefly the device used in an IBM Selectric Typewriter.

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00:03:00

Coffee Maker: Pumping water with no moving parts

by Bill Hammack
Coffee Maker: Pumping water with no moving parts
for 11-14 and upwards,
Lectures | 11-14 and upwards | 9 years ago | 1067 views
Rating:

To engineer an object means to make choices. Bill illustrates how the choice of having a single heating element made an engineer find a creative way to pump water with no moving parts.

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00:13:00

Journey to Etna

by Clive Oppenheimer
Journey to Etna
for 11-14 and upwards,
Lectures | 11-14 and upwards | 10 years ago | 1034 views
Rating:

Clive Oppenheimer, a vulcanologist working on the latest techniques to monitor and predict volcanic eruptions, demonstrates his work at Mount Etna, an active volcano in Sicily.nVolcanic eruptions pose a real threat to communities living nearby, and a....

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00:15:00

Music’s Energy Footprint

by Catherine Bottrill
Music’s Energy Footprint
for 11-14 and upwards,
Lectures | 11-14 and upwards | 10 years ago | 941 views
Rating:

A look at how the UK music industry is working with energy and climate researcher Catherine Bottrill to reduce its carbon footprint.nIn 2007 a group of influential people from the music industry formed Julie's Bicycle, an organisation dedicated to re....

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00:15:00

Asthma on the Run

by Ceri Harrop
Asthma on the Run
for 11-14 and upwards,
Lectures | 11-14 and upwards | 10 years ago | 995 views
Rating:

A look into the research of biochemist Ceri Harrop, who specialises in respiratory medicine and developing new treatments for people with breathing difficulties.nAs part of her research at the University of Manchester, Ceri meets with athlete Wayne A....

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00:04:00

Climate Change: Madagascar

by Anjali Nayar
Climate Change: Madagascar
for 11-14 and upwards,
Lectures | 11-14 and upwards | 10 years ago | 2271 views
Rating:

Anjali Nayar visited a pioneering project in Madagascar that's aiming to protect one of the country's few remaining forests. It's hoped that projects like this will help curb global warming. But first, these projects must overcome the poverty and pol....

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01:06:00

Science and Art make comfortable bedfellows

by Peter Edwards
Science and Art make comfortable bedfellows
for 11-14 and upwards,
Lectures | 11-14 and upwards | 10 years ago | 963 views
Rating:

With portrait painter Peter Edwards, Sir Harry Kroto discusses his love of art and science.

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00:06:00

Emotion Recognition from Physiological Signals for Human Computer Interaction

by Jorge Arroyo Palacios
Emotion Recognition from Physiological Signals for Human Computer Interaction
for 11-14 and upwards,
Lectures | 11-14 and upwards | 10 years ago | 3123 views
Rating:

Use of physiological signals for emotion recognition and human-computer interaction.

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00:07:00

Mediasite global outreach competition winner – 2009

by Steve Acquah
Mediasite global outreach competition winner – 2009
for 11-14 and upwards,
Lectures | 11-14 and upwards | 10 years ago | 1069 views
Rating:

Steve's winning presentation in the Mediasite Global Outreach Challenge 2009

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00:07:00

Can we see atoms?

by Zhaoxia Zhou
Can we see atoms?
for 11-14 and upwards,
Lectures | 11-14 and upwards | 10 years ago | 4312 views
Rating:

We see smaller and smaller objects through naked eye and microscopes, from hair to atoms.

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00:07:00

Potato Battery

by Jonathan Hare
Potato Battery
for 11-14 and upwards,
Lectures | 11-14 and upwards | 10 years ago | 1449 views
Rating:

When two different types of conductors are pushed into a potato chemical reactions take place charging them up - we have a simple electrochemical cell. A potato, zinc screw and carbon rod produce about 1V. We experiment joining a few of these cells u....

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00:04:00

Shake-a-Gen

by Jonathan Hare
Shake-a-Gen
for 11-14 and upwards,
Lectures | 11-14 and upwards | 10 years ago | 1011 views
Rating:

This is a simple yet effective demonstration of electricity generation. 500 turns of wire are wound onto a 35mm film can and the two ends are attached to an LED light. A strong magnet is placed in the can and the lid fixed back in place. The generato....

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00:04:00

Seawater Battery

by Jonathan Hare
Seawater Battery
for 11-14 and upwards,
Lectures | 11-14 and upwards | 10 years ago | 1852 views
Rating:

When two different metals are placed in a salt solution (an electrolyte) the chemistry produces a voltage. This is called a cell. By wiring up a number of these cells we can make a battery and use it to power electrical circuits.

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00:03:00

Three Windmills

by Jonathan Hare
Three Windmills
for 11-14 and upwards,
Lectures | 11-14 and upwards | 10 years ago | 927 views
Rating:

Converting wind power into electricity seems like an ideal way of helping to solve our energy problems. However, the power generated by a windmill is dependent on the wind speed. If the wind drops to half its speed there is as little as an 1/8th of t....

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00:02:00

Parabolic Light Collectors

by Jonathan Hare
Parabolic Light Collectors
for 11-14 and upwards,
Lectures | 11-14 and upwards | 10 years ago | 5377 views
Rating:

Parabolic surfaces can be used to concentrate energy for example to focus sunlight to heat things. Using an old World War II spot light mirror we demonstrate how easy it it is to concentrate enough energy to cause combustion. Finally, we show how to ....

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00:14:00

The Mathematician Who Can’t Add Up

by Emma King
The Mathematician Who Can’t Add Up
for 11-14 and upwards,
Lectures | 11-14 and upwards | 10 years ago | 1031 views
Rating:

Emma was a post-graduate student at the University of Nottingham, completing a PhD in the field of theoretical cosmology. As an undergraduate at the University of Sussex she made history when she became the first woman to win the top prize at the Sci....

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