21 results found for 11-14-year-olds

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00:04:00

Queueing theory

by Bill Hammack
Queueing theory
for 11-14 and upwards,
Lectures | 11-14 and upwards | 13 years ago | 6413 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 | 13 years ago | 4419 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 | 13 years ago | 5940 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 | 13 years ago | 1959 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 | 13 years ago | 2003 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 | 13 years ago | 1545 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 | 13 years ago | 1664 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 | 13 years ago | 1663 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 | 13 years ago | 2015 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 | 13 years ago | 1637 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 | 13 years ago | 1773 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 | 13 years ago | 1691 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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