9 results found for engineering

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batterycharge-capacity 00:17:00

Battery Research

by Annadanesh Shellikeri
Battery Research
for 18-22 and upwards,
Teaching modules | 18-22 and upwards | 2 years ago | 1230 views
Rating:

It is hard to believe there was a time before batteries! Batteries and supercapacitors are at the heart of electric vehicles, portable devices (watches, laptops, mobile phones) and renewable resources like wind and solar, for energy storage. Bette....

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Nyberg 00:04:00

Holographic Microscopy

by Katrina Nyberg
Holographic Microscopy
for 22 and upwards,
Lectures | 22 and upwards | 6 years ago | 1091 views
Rating:

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Hammack photocopier 00:04:00

Photocopier

by Bill Hammack
Photocopier
for 11-14 and upwards,
Lectures | 11-14 and upwards | 6 years ago | 3186 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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Hammack plasma 00:03:00

Plasma

by Bill Hammack
Plasma
for 5-7 year olds,
Lectures | 5-7 year olds | 6 years ago | 972 views
Rating:

Bill cuts a fluorescent light out of his ceiling to show that plasmas and their products are all around us - they're essential in making circuit boards, lights, and even potato chip bags.

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Bradley 01:00:00

Plastic Electronics.

by Donald Bradley
Plastic Electronics.
for 14-19 and upwards,
Lectures | 14-19 and upwards | 7 years ago | 642 views
Rating:

Plastics have become ubiquitous structural materials due to the ease with which they can be processed at low cost into complex shapes. Imagine a world in which metals and semiconductors have similar attributes ? that is the world of Plastic Electroni....

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Self-made 3D scanner 00:08:00

Self-Made 3D Scanner

by Jan Koeper
Self-Made 3D Scanner
for 14-19 and upwards,
Highschool presentations | 14-19 and upwards | 2 years ago | 643 views
Rating:

Pupils of Wilhelm Raabe School in Hanover....

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Hammack cellphone 00:03:00

The Cell Phone

by Bill Hammack
The Cell Phone
for 11-14 and upwards,
Lectures | 11-14 and upwards | 6 years ago | 753 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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Hammack transistor 00:03:00

The Transistor

by Bill Hammack
The Transistor
for 11-14 and upwards,
Lectures | 11-14 and upwards | 6 years ago | 648 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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Hammack tansistor 2 00:05:00

The Transistor 2

by Bill Hammack
The Transistor 2
for 11-14 and upwards,
Lectures | 11-14 and upwards | 6 years ago | 661 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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