95 results found for 11-14-year-olds

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00:06:00

Inbreeding in an isolated population of animals

by Jennifer Goldsby
Inbreeding in an isolated population of animals
for 11-14 and upwards,
Undergraduate presentations | 11-14 and upwards | 7 years ago | 9676 views
Rating:

Jennifer talks about recent research detailing the effects of inbreeding on an isolated animal population and shows how this affects our ideas about breeding domestic animals.

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00:03:00

Buckyball workshop

by Harry Kroto
Buckyball workshop
for 11-14 and upwardsAll ages,
Workshops | 11-14 and upwardsAll ages | 7 years ago | 1733 views
Rating:

Professor Sir Harry Kroto shows local schoolchildren in Sheffield how to build a buckyball

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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 | 4807 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 | 3782 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 | 5374 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 | 1283 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 | 1359 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 | 997 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 | 1096 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 | 1053 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 | 1255 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 | 1043 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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