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How wireless energy from space could power everything

Electrical engineer Ali Hajimiri explains the principles behind wireless energy transfer and shares a far-out vision for launching solar panels into space in order to collect sunlight, convert it to electrical power and then beam it down to Earth.

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The rise of the "trauma essay" in college applications
12:47
The rise of the "trauma essay" in college applications

Tina Yong

The timeless, ancient language of art
11:26
The timeless, ancient language of art

Wangechi Mutu

Why AI is incredibly smart and shockingly stupid
16:02
Why AI is incredibly smart and shockingly stupid

Yejin Choi

The disappearing computer -- and a world where you can take AI everywhere
13:54
The disappearing computer -- and a world where you can take AI everywhere

Imran Chaudhri

Does working hard really make you a good person?
12:27
Does working hard really make you a good person?

Azim Shariff

Pussy Riot's powerful message to Vladimir Putin
13:05
Pussy Riot's powerful message to Vladimir Putin

Nadya Tolokonnikova

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Newest talks

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How wireless energy from space could power everything
10:54
How wireless energy from space could power everything

Ali Hajimiri

June 2023
Can we recreate the voice of a 3,000-year-old mummy?
09:20
Can we recreate the voice of a 3,000-year-old mummy?

David M. Howard

June 2023
How to design a school for the future
08:45
How to design a school for the future

Punya Mishra

June 2023
The poetry of everyday language
14:48
The poetry of everyday language

Julián Delgado Lopera

June 2023
5 steps to fix any problem at work
11:52
5 steps to fix any problem at work

Anne Morriss

May 2023
Your right to mental privacy in the age of brain-sensing tech
12:36
Your right to mental privacy in the age of brain-sensing tech

Nita Farahany

May 2023
The dinosaur detectives of real-life Jurassic parks
12:00
The dinosaur detectives of real-life Jurassic parks

Martin Lockley

May 2023
Are life-saving medicines hiding in the world's coldest places?
11:59
Are life-saving medicines hiding in the world's coldest places?

Normand Voyer

May 2023
A foster care system where every child has a loving home
10:44
A foster care system where every child has a loving home

Sixto Cancel

May 2023
Is someone you love suffering in silence? Here's what to do
12:51
Is someone you love suffering in silence? Here's what to do

Gus Worland

May 2023
The timeless, ancient language of art
11:26
The timeless, ancient language of art

Wangechi Mutu

May 2023
The incredible creativity of deepfakes -- and the worrying future of AI
13:06
The incredible creativity of deepfakes -- and the worrying future of AI

Tom Graham

May 2023
What makes a "good college" -- and why it matters
11:31
What makes a "good college" -- and why it matters

Cecilia M. Orphan

May 2023
Lessons from losing my mind
14:34
Lessons from losing my mind

Andy Dunn

May 2023
3 ways your money can fight climate change
12:17
3 ways your money can fight climate change

Veronica Chau

May 2023
What the world can learn from China's innovation playbook
13:31
What the world can learn from China's innovation playbook

Keyu Jin

May 2023
The urgent risks of runaway AI -- and what to do about them
14:02
The urgent risks of runaway AI -- and what to do about them

Gary Marcus

May 2023
Does working hard really make you a good person?
12:27
Does working hard really make you a good person?

Azim Shariff

May 2023
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Trending

Exploring the mind of a killer
06:12
Exploring the mind of a killer

Jim Fallon

The real relationship between your age and your chance of success
16:06
The real relationship between your age and your chance of success

Albert-László Barabási

This is the moment to take on the climate crisis
10:25
This is the moment to take on the climate crisis

Al Gore

What is COP26?
03:01
What is COP26?

Countdown

Why some people find exercise harder than others
13:54
Why some people find exercise harder than others

Emily Balcetis

3 psychological tricks to help you save money
05:36
3 psychological tricks to help you save money

Wendy De La Rosa

Nuclear power is our best hope to ditch fossil fuels
11:44
Nuclear power is our best hope to ditch fossil fuels

Isabelle Boemeke

A personal air-quality tracker that lets you know what you're breathing
05:25
A personal air-quality tracker that lets you know what you're breathing

Romain Lacombe

Don't insist on English!
10:18
Don't insist on English!

Patricia Ryan

Let's launch a satellite to track a threatening greenhouse gas
08:23
Let's launch a satellite to track a threatening greenhouse gas

Fred Krupp

How to make radical climate action the new normal
15:41
How to make radical climate action the new normal

Al Gore

Fake videos of real people -- and how to spot them
07:05
Fake videos of real people -- and how to spot them

Supasorn Suwajanakorn

Txtng is killing language. JK!!!
13:34
Txtng is killing language. JK!!!

John McWhorter

The giant leaps in language technology -- and who's left behind
16:11
The giant leaps in language technology -- and who's left behind

Kalika Bali

Changing education paradigms
11:41
Changing education paradigms

Sir Ken Robinson

How AI can enhance our memory, work and social lives
09:36
How AI can enhance our memory, work and social lives

Tom Gruber

Why students should have mental health days
07:15
Why students should have mental health days

Hailey Hardcastle

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The boundless creativity of an open mind

IN PARTNERSHIP WITH Destination Canada
How to find a sense of belonging -- wherever you are
09:14
How to find a sense of belonging -- wherever you are

Lori McCarthy

The unexpected story of one of the biggest coastal cleanups ever
12:23
The unexpected story of one of the biggest coastal cleanups ever

Kevin Smith

The power of connecting with your identity
10:36
The power of connecting with your identity

Matricia Bauer

Does AI actually understand us?
10:28
Does AI actually understand us?

Alona Fyshe

What to do when there's a polar bear in your backyard
10:36
What to do when there's a polar bear in your backyard

Alysa McCall

How to feng shui your fridge -- and other happy climate hacks
12:10
How to feng shui your fridge -- and other happy climate hacks

Jiaying Zhao

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How AI is shaping the future

How AI could save (not destroy) education
15:36
How AI could save (not destroy) education

Sal Khan

Why AI is incredibly smart and shockingly stupid
16:02
Why AI is incredibly smart and shockingly stupid

Yejin Choi

The inside story of ChatGPT's astonishing potential
30:09
The inside story of ChatGPT's astonishing potential

Greg Brockman

The disappearing computer -- and a world where you can take AI everywhere
13:54
The disappearing computer -- and a world where you can take AI everywhere

Imran Chaudhri

The urgent risks of runaway AI -- and what to do about them
14:02
The urgent risks of runaway AI -- and what to do about them

Gary Marcus

The incredible creativity of deepfakes -- and the worrying future of AI
13:06
The incredible creativity of deepfakes -- and the worrying future of AI

Tom Graham

How does artificial intelligence learn?
04:37
How does artificial intelligence learn?

Briana Brownell

AI-generated creatures that stretch the boundaries of imagination
09:16
AI-generated creatures that stretch the boundaries of imagination

Sofia Crespo

What if you could sing in your favorite musician's voice?
09:24
What if you could sing in your favorite musician's voice?

Holly Herndon

How AI could empower any business
11:16
How AI could empower any business

Andrew Ng

Is humanity smart enough to survive itself?
18:24
Is humanity smart enough to survive itself?

Jeanette Winterson

Are insect brains the secret to great AI?
09:32
Are insect brains the secret to great AI?

Frances S. Chance

Can we learn to talk to sperm whales?
06:30
Can we learn to talk to sperm whales?

David Gruber

A fascinating time capsule of human feelings toward AI
06:17
A fascinating time capsule of human feelings toward AI

Lucy Farey-Jones

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Countdown: Take action on climate

What a living whale is worth -- and why the economy should protect nature
14:37
What a living whale is worth -- and why the economy should protect nature

Ralph Chami

Nuclear power is our best hope to ditch fossil fuels
11:44
Nuclear power is our best hope to ditch fossil fuels

Isabelle Boemeke

The actual cost of preventing climate breakdown
10:25
The actual cost of preventing climate breakdown

Yuval Noah Harari

How to harness the ancient partnership between forests and fungi
12:07
How to harness the ancient partnership between forests and fungi

Colin Averill

Climate action's hidden opportunities for women
12:14
Climate action's hidden opportunities for women

Zineb Sqalli

Are ad agencies, PR firms and lobbyists destroying the climate?
09:44
Are ad agencies, PR firms and lobbyists destroying the climate?

Solitaire Townsend

How biochar removes CO2 from the air -- and helps farmers thrive
11:17
How biochar removes CO2 from the air -- and helps farmers thrive

Axel Reinaud

Climate action needs new frontline leadership
13:58
Climate action needs new frontline leadership

Ozawa Bineshi Albert

The unexpected, underwater plant fighting climate change
12:06
The unexpected, underwater plant fighting climate change

Carlos M. Duarte

How green hydrogen could end the fossil fuel era
09:14
How green hydrogen could end the fossil fuel era

Vaitea Cowan

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TED-Ed animations: Feed your curiosity

Which type of milk is best for you?
05:05
Which type of milk is best for you?

Jonathan J. O'Sullivan and Grace E. Cunningham

Whatever happened to acid rain?
05:20
Whatever happened to acid rain?

Joseph Goffman

The big-beaked, rock-munching fish that protect coral reefs
04:45
The big-beaked, rock-munching fish that protect coral reefs

Mike Gil

What if there were 1 trillion more trees?
05:23
What if there were 1 trillion more trees?

Jean-François Bastin

Can we create the "perfect" farm?
06:46
Can we create the "perfect" farm?

Brent Loken

The "myth" of the boiling frog
04:20
The "myth" of the boiling frog

TED-Ed

Are we running out of clean water?
04:43
Are we running out of clean water?

Balsher Singh Sidhu

How do wind turbines work?
04:44
How do wind turbines work?

Rebecca J. Barthelmie and Sara C. Pryor

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Talks from TED2023: Possibility

A foster care system where every child has a loving home
10:44
A foster care system where every child has a loving home

Sixto Cancel

"Woman, Life, Freedom" in Iran -- and what it means for the rest of the world
05:10
"Woman, Life, Freedom" in Iran -- and what it means for the rest of the world

Golshifteh Farahani

5 steps to fix any problem at work
11:52
5 steps to fix any problem at work

Anne Morriss

Lessons from losing my mind
14:34
Lessons from losing my mind

Andy Dunn

How wireless energy from space could power everything
10:54
How wireless energy from space could power everything

Ali Hajimiri

Pussy Riot's powerful message to Vladimir Putin
13:05
Pussy Riot's powerful message to Vladimir Putin

Nadya Tolokonnikova

The inside story of ChatGPT's astonishing potential
30:09
The inside story of ChatGPT's astonishing potential

Greg Brockman

How "second chance" laws could transform the US justice system
08:55
How "second chance" laws could transform the US justice system

Sheena Meade

Is someone you love suffering in silence? Here's what to do
12:51
Is someone you love suffering in silence? Here's what to do

Gus Worland

The timeless, ancient language of art
11:26
The timeless, ancient language of art

Wangechi Mutu

What the world can learn from China's innovation playbook
13:31
What the world can learn from China's innovation playbook

Keyu Jin

Why AI is incredibly smart and shockingly stupid
16:02
Why AI is incredibly smart and shockingly stupid

Yejin Choi

How AI could save (not destroy) education
15:36
How AI could save (not destroy) education

Sal Khan

The disappearing computer -- and a world where you can take AI everywhere
13:54
The disappearing computer -- and a world where you can take AI everywhere

Imran Chaudhri

TikTok's CEO on its future -- and what makes its algorithm different
39:22
TikTok's CEO on its future -- and what makes its algorithm different

Shou Chew

The urgent risks of runaway AI -- and what to do about them
14:02
The urgent risks of runaway AI -- and what to do about them

Gary Marcus

The incredible creativity of deepfakes -- and the worrying future of AI
13:06
The incredible creativity of deepfakes -- and the worrying future of AI

Tom Graham

Your right to mental privacy in the age of brain-sensing tech
12:36
Your right to mental privacy in the age of brain-sensing tech

Nita Farahany

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TEDx: The importance of mental healthcare

What to expect from a therapy session
18:36
What to expect from a therapy session

Alexis Powell-Howard

How to declutter when you feel like a failure
17:07
How to declutter when you feel like a failure

Monica Fay

Why we need to decolonize psychology
17:50
Why we need to decolonize psychology

Thema Bryant

How to cope with loneliness
11:21
How to cope with loneliness

Olivia Remes

How grief helped me become a better caregiver
09:55
How grief helped me become a better caregiver

Hui-wen Sato

How I live with high-functioning anxiety
14:20
How I live with high-functioning anxiety

Jordan Raskopoulos

Depression, the secret we share
29:07
Depression, the secret we share

Andrew Solomon

How to connect with depressed friends
13:00
How to connect with depressed friends

Bill Bernat

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Heard on TED Radio Hour

What kids can teach adults about asking for help
08:25
What kids can teach adults about asking for help

YeYoon Kim

Meet the microscopic life in your home -- and on your face
09:58
Meet the microscopic life in your home -- and on your face

Anne Madden

How language shapes the way we think
14:02
How language shapes the way we think

Lera Boroditsky

How I taught rats to sniff out land mines
11:54
How I taught rats to sniff out land mines

Bart Weetjens

The Power of Spaces
11:50
The Power of Spaces

TED Radio Hour

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Meet the TED Audio Collective

Virtual Worlds
38:51
Virtual Worlds

Far Flung

Michael Tubbs on politics as a force for good
50:57
Michael Tubbs on politics as a force for good

The TED Interview

How to Rethink a Bad Decision
37:34
How to Rethink a Bad Decision

WorkLife with Adam Grant

Introducing Body Stuff with Dr. Jen Gunter
02:10
Introducing Body Stuff with Dr. Jen Gunter

TED Audio Collective

How to challenge conventional wisdom -- and change any industry
27:29
How to challenge conventional wisdom -- and change any industry

How to Be a Better Human

Introducing: Am I Normal? with Mona Chalabi
02:25
Introducing: Am I Normal? with Mona Chalabi

TED Audio Collective

About TED

TED is a nonpartisan nonprofit devoted to spreading ideas, usually in the form of short, powerful talks. TED began in 1984 as a conference where Technology, Entertainment and Design converged, and today covers almost all topics — from science to business to global issues — in more than 110 languages. Meanwhile, independently run TEDx events help share ideas in communities around the world.