Physical Science
The vocabulary of electricity
Lesson duration 06:57
We all know the words around electricity -- “charge,” “positive,” “battery” and more. But where...
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Results for "vocabulary" (30)
Design, Engineering & Technology
How touchscreens work
Lesson duration 03:31
Ever wonder how you're able to awaken your phone with a simple swipe? Find out how the electrical...
Writing/Composition
The power of simple words
Lesson duration 02:02
Long, fancy words designed to show off your intelligence and vocabulary are all very well, but...
How language shapes the way we think - Lera Boroditsky
Lesson duration 14:13
There are about 7,000 languages spoken around the world -- and they all have different sounds,...
Design, Engineering & Technology
Supercharged motorcycle design - Yves Behar
Lesson duration 02:21
Yves Behar and Forrest North unveil Mission One, a sleek, powerful electric motorcycle. They...
Performing Arts
How to read music
Lesson duration 05:24
Like an actor’s script, a sheet of music instructs a musician on what to play (the pitch) and...
Literature & Language
Speech acts: Constative and performative
Lesson duration 03:57
When are words just words, and when do words force action? Linguist J.L. Austin divided words...
How to improve your singing | Think Like A Musician
Lesson duration 05:46
"Think Like A Musician" connects you with working musicians who want to help the music-curious...
Literature & Language
Why do we, like, hesitate when we, um, speak?
Lesson duration 05:34
For as long as we’ve had language, some people have tried to control it. And some of the most...
Literature & Language
The secret behind how Chinese characters work
Lesson duration 04:48
According to legend, in the 27th century BCE, the Yellow Emperor of China charged his historian,...
Linguistics
Does grammar matter?
Lesson duration 04:39
It can be hard sometimes, when speaking, to remember all of the grammatical rules that guide us...
Mathematics
The paradox at the heart of mathematics: Gödel's Incompleteness Theorem
Lesson duration 05:20
Consider the following sentence: “This statement is false.” Is that true? If so, that would make...
Literature & Language
4 reasons to learn a new language - John McWhorter
Lesson duration 10:02
English is fast becoming the world's universal language, and instant translation technology is...
Linguistics
The race to decode a mysterious language
Lesson duration 04:45
In the early 1900s, archaeologist Sir Arthur Evans uncovered nearly 3,000 tablets inscribed with...
Linguistics
Are Elvish, Klingon, Dothraki and Na’vi real languages?
Lesson duration 05:21
What do Game of Thrones’ Dothraki, Avatar’s Na’vi, Star Trek’s Klingon and LOTR’s Elvish have in...
Design, Engineering & Technology
Why aren't we only using solar power?
Lesson duration 04:43
Solar power is cheaper and more sustainable than our current coal-fueled power plants, so why...
Science & Technology
Why is biodiversity so important?
Lesson duration 04:19
Our planet’s diverse, thriving ecosystems may seem like permanent fixtures, but they’re actually...
Linguistics
Making sense of spelling
Lesson duration 04:19
What can spelling tell us about relationships between words? While spelling may sometimes seem...