PBS
How to Signal Aliens
Everyone has their own opinion as to whether or not aliens exist. But let's assume they do for a second and we wanted to let them know we're here!!!! How should we signal our species' existence through the expanse of space? There are a...
TED Talks
Avi Rubin: All your devices can be hacked
Could someone hack your pacemaker? Avi Rubin shows how hackers are compromising cars, smartphones and medical devices, and warns us about the dangers of an increasingly hack-able world.
SciShow
New Supernova, and Internet on the Moon
SciShow Space shares the latest news from the around the universe, including the first supernova observed in real time, and Internet service on the moon. Finally!
TED Talks
TED: How radio telescopes show us unseen galaxies | Natasha Hurley-Walker
Our universe is strange, wonderful and vast, says astronomer Natasha Hurley-Walker. A spaceship can't carry you into its depths (yet) -- but a radio telescope can. In this mesmerizing talk, Hurley-Walker shows how she probes the...
SciShow
The Mysterious "Space Roar"
We here at SciShow like to start things off with a "Boom" for yet another season! Hank talks about the mystery behind the "Space Roar" and why it is we can't really hear it.
TED Talks
Dave Isay: Everyone around you has a story the world needs to hear
Dave Isay opened the first StoryCorps booth in New York’s Grand Central Terminal in 2003 with the intention of creating a quiet place where a person could honor someone who mattered to them by listening to their story. Since then,...
TED Talks
TED: How Christmas lights helped guerrillas put down their guns | Jose Miguel Sokoloff
In my lifetime, I have never lived one day of peace in my country, says Jose Miguel Sokoloff. This ad executive from Colombia saw a chance to help guerrilla fighters choose to come home -- with smart marketing. He shares how some...
Be Smart
Space Sounds
There is no sound in space. In the near-vacuum of space, there is nothing to transmit the physical waves that we need to perceive sound. But that doesn't mean we can't MAKE sound from space.
TED Talks
Freeman Dyson: Let's look for life in the outer solar system
Physicist Freeman Dyson suggests that we start looking for life on the moons of Jupiter and out past Neptune, in the Kuiper belt and the Oort cloud. He talks about what such life would be like -- and how we might find it.
TED Talks
Kate Stone: DJ decks made of ... paper
"I love paper, and I love technology," says physicist and former sheep herder Kate Stone, who's spent the past decade working to unite the two. Her experiments combine regular paper with conductive inks and tiny circuit boards to offer a...
Crash Course
Media Institution: Crash Course Government and Politics
So today we're going to look at the rather thorny issue of the media and its role in politics. Wether you're talking about older forms of media like newspapers and radio or newer forms like television and the Internet, all media serves...
SciShow
The Legendary Arecibo Radiotelescope
All telescopes work by gathering light from the stars, but one held the crown for square footage for collecting that light for 53 years. The amazing Arecibo.
Crash Course
Media Regulation: Crash Course Government and Politics
Today we wrap up our discussion of the media by talking about how the government interacts with and influences the content we see. Now it may be easy to assume that because we live in a free-market capitalist society, the only real...
SciShow
We’re Talking To Aliens
We’ve done a lot of searching for life in the universe and we need to continue to if we hope to make contact. But not all of our attempts were expected to succeed. That’s where Beacon in the Galaxy comes in.
TED Talks
TED: What six years in captivity taught me about fear and faith | Ingrid Betancourt
In 2002, the Colombian guerrilla movement known as the FARC (Revolutionary Armed Forces of Colombia) kidnapped Ingrid Betancourt in the middle of her presidential campaign. For the next six years, Betancourt was held hostage in jungle...
Crash Course
Post-War Rebuilding and the Cold War: Crash Course European History
Sometimes, friendship isn't forever. At the conclusion of World War II, the old structures of power were a shambles. The traditional European powers were greatly weakened by years of total war and widespread destruction. The USSR was...
TED-Ed
TED-ED: Is radiation dangerous? - Matt Anticole
When we hear the word radiation, it's tempting to picture huge explosions and frightening mutations. But that's not the full story - radiation also applies to rainbows and a doctor examining an X-ray. So what is it, really, and how much...
MinutePhysics
Gravitational Waves Explained Using Stick Figures
This video is about gravitational waves in the weak field limit as discovered by the LIGO collaboration, explained by parallels to electromagnetic radiation, sound waves, water waves, etc. I want to see Cat LIGO ASAP!
SciShow
How 5G Cell Service Could Hurt Weather Forecasts
Good weather forecasts save lives, but scientists are worried that 5G transmissions could drown out frequencies measured by weather satellites, setting weather forecasts back decades.
SciShow
Who Really Invented the Radio
In the radio race, one inventor came out ahead while the other was overshadowed. Michael Aranda goes into the history of the radio and the many people who contributed to make the tool we use every day.
SciShow
Why Do We Keep Needing New "G"s?
What’s with all the "G"s and why do we keep having to develop new ones to use our phones in this technology.
SciShow
The Truth About 10 Famous Inventions
Did Thomas Edison invent the lightbulb? I mean... kind of... but also... no. Every great, world-changing invention is the culmination of efforts by dozens or hundreds of people, spanning decades or centuries.
Crash Course
Cinema, Radio, and Television: Crash Course History of Science
Radio, Cinema, and Television have been staples in news coverage, entertainment, and education for almost 100 years. But... where did they all come from? Who started what and when and why? In this episode, Hank Green talks to us about...
SciShow
The Deep Space Network A Communication Hub That Also Does Science!
The Deep Space Network is a special network of radio dishes for tracking and talking to spacecraft, and it contributes some cool scientific observations of its own too.