95 results found for 11-14-year-olds

View Grid List
Sort A-Z By date
00:03:00

Matches

by Bill Hammack
Matches
for 11-14 and upwards,
Lectures | 11-14 and upwards | 9 years ago | 1008 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

More details | Watch now
00:02:00

Golf Balls

by Bill Hammack
Golf Balls
for 11-14 and upwards,
Lectures | 11-14 and upwards | 9 years ago | 1093 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.

More details | Watch now
00:03:00

The Transistor

by Bill Hammack
The Transistor
for 11-14 and upwards,
Lectures | 11-14 and upwards | 9 years ago | 1026 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!

More details | Watch now
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 | 1188 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.

More details | Watch now
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 | 948 views
Rating:

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

More details | Watch now
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 | 2868 views
Rating:

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

More details | Watch now
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 | 1529 views
Rating:

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

More details | Watch now
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 | 2466 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.

More details | Watch now
00:04:00

Quartz Watch

by Bill Hammack
Quartz Watch
for 11-14 and upwards,
Lectures | 11-14 and upwards | 9 years ago | 1055 views
Rating:

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

More details | Watch now
00:02:00

The Whiffletree

by Bill Hammack
The Whiffletree
for 11-14 and upwards,
Lectures | 11-14 and upwards | 9 years ago | 1845 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.

More details | Watch now
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 | 1159 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.

More details | Watch now
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 | 1119 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....

More details | Watch now

Items per page: