WHAT’S ON TONIGHT
Use one of the services below to sign in to PBS:
tried to add this video to your Watchlist so you can watch
it later. But first, we need you to sign in to PBS using one
of the services below. You’ll be able to manage
videos in your Watchlist, keep track of your favorite shows,
watch PBS in high definition, and much more!
tried to select this program as one of your favorites. But
first, we need you to sign in to PBS using one of the
services below. You’ll be able to manage videos in
your Watchlist, keep track of your favorite shows, watch PBS
in high definition, and much more!
To get you
watching PBS in high definition we need you to sign in to
PBS using one of the services below. You'll be able
to manage videos in your Watchlist, keep track of your
favorite shows, watch PBS in high definition, and much more!
Don’t have a PBS Account? Create one nowCreate a PBS account
Already a NHPBS member? You may have an unactivated NHPBS Passport member benefit. Check to see.
Can You Upload Your Brain?
How the laws of physics forbid perfect cloning.
Clip: S45 | 3m 7s
Share this video:
Share this video on FacebookFacebookShare this video on TwitterTwitter
Ethics and Self-Driving Cars
How do we program moral decision-making into autonomous vehicles?
Clip: S45 | 2m 57s
Black Hole Information Paradox
Do black holes delete information forever? Or could information somehow escape them?
Clip: S45 | 3m 56s
Choose Your Own Adventure into a Black Hole
What would it be like to fall into a black hole? Choose your own adventure to find out!
Clip: S45 | 37s
The Next Quest for New Worlds
There are worlds beyond our own. A new explorer just left Earth to hunt for them.
Clip: S45 | 2m 15s
Why Fart Sounds Are Funny
April Fool's! We weigh in on the serious science behind... whoopee cushions.
Clip: S45 | 2m 16s
Fake or Physics?
Guess which of these five unbelievable facts are real physics.
Clip: S45 | 2m 9s
Remembering Stephen Hawking
Stephen Hawking had a way of bringing the most cosmic ideas down to Earth.
Clip: S45 | 2m 48s
Saving Snowy Owls from Airplanes
When snowy owls land at Logan Airport, Norman Smith gives the birds a one-way flight out.
Clip: S45 | 3m 25s
The Physics of the Multiverse
A multiverse could explain why our universe is fine-tuned for life.
Clip: S45 | 4m 12s
What Is Dark Matter? A New Clue!
A signal from the dawn of the universe may hold surprising clues about dark matter.
Clip: S45 | 3m 38s
Celebrating Black Scientists
In honor of Black History Month, we celebrate these black scientists.
Clip: S45 | 56s
Curling, A Great Physics Mystery
To physicists, curling presents the most puzzling conundrum in the Olympic Games.
Clip: S45 | 4m 32s
The Biggest Puzzle in Physics
Sometimes the biggest puzzle in physics seems like the worst relationship in the universe.
Clip: S45 | 4m 41s
Wild Ways to Find a Mate
From necking giraffes to monogamous parasites, creatures couple up in unexpected ways.
Clip: S45 | 3m 44s
What The Physics?! - Q&A
"What The Physics?!" host, Greg Kestin, answers questions from you, our viewers.
Clip: S45 | 7m 37s
What Is Bitcoin?
Bitcoin and other cryoptocurrencies—the future of money or hype? Here's what they are.
Clip: S45 | 2m 14s
What Is Blockchain?
Here's how a blockchain tracks and theoretically secures the movement of digital currency.
Clip: S45 | 3m 17s
Seeing Quantum with the Naked Eye
Simply squinting at a lamp highlights the quantum nature of light.
Clip: S45 | 3m 55s
Can Tech Save Players’ Brains?
Football is a full-contact sport, but can a high tech mouth guard help save players’ brain
Clip: S45 | 2m 49s
Does the Flu Shot Work?
The flu vaccine changes from year to year and its efficacy varies. Here’s why.
How might science help avoid tragic deaths caused by landslides?
Clip: S45 | 1m 34s
What's the Universe Made Of? Preview
Peer into the universe’s deep unknowns to explore the mysteries of dark matter and energy.
Preview: S45 Ep106 | 28s
How the Universe Will End
Dark energy is spreading the universe apart—what’s it mean for astronomy in the future?
Clip: S45 Ep106 | 1m 29s