Kurzgesagt - In a Nutshell Season 3, Episode 14: What Is Light?

How Small Is an Atom? (Spoiler: Very Small)

Atoms are very weird. Wrapping your head around exactly how weird, is close to impossible – how can you describe something that is SO removed from humans experience? But then again, they kind of make up everything, so let us try anyways.

5 min

Measles Explained — Vaccinate or Not?

Everybody is talking about Measles – but what does the virus actually do in the body? Is it really so harmful that you need a vaccination? We go deep into the body of an infected person and see what Measles does and how the immune system reacts to it!

6 min

Banking Explained — Money and Credit

Banks are a riddle wrapped up in an enigma. We all kind of know that they do stuff with money we don’t understand, while the last crisis left a feeling of deep mistrust and confusion. We try to shed a bit of light onto the banking system. Why were banks invented, why did they cause the last crisis and are there alternatives?

6 min

Nuclear Energy Explained: How Does It Work? (1/3)

Nuclear Energy is a controversial subject. The pro- and anti-nuclear lobbies fight furiously, and it's difficult to decide who is right. So we're trying to clear up the issue - in this video we discuss how we got to where we are today, as the basis for discussion.

5 min

3 Reasons Why Nuclear Energy Is Terrible! (2/3)

Nuclear energy might be a failed experiment. In over sixty years the technology has not only failed to keep its promise of cheap, clean and safe energy, it also caused major catastrophes and enabled more nuclear weapons while the nuclear waste problem is still not solved.

4 min

3 Reasons Why Nuclear Energy Is Awesome! (3/3)

Nuclear energy might have a lot of unused potential. Not only is it one of the best mid term solutions for global warming bit despite what gut feeling tells us, it has saved millions of lives. By investing more into better technologies we might be able to make nuclear energy finally save and clean forever.

4 min

The Fermi Paradox — Where Are All the Aliens?

The universe is unbelievably big – trillions of stars and even more planets. So… there just has to be life out there, right? But where is it? Why don’t we see any aliens? Where are they? And more importantly, what does this tell us about our own fate in this gigantic and scary universe?

6 min

The Fermi Paradox II — Solutions and Ideas

Where are all the aliens? The universe is too big and too old, why have we not met aliens yet? Do they live in computers? Were they wiped out by an ancient super intelligence? Or are we just to primitive to understand their motives? Whatever the answer is, it is incredibly important for our own future.

6 min

The Death of Bees Explained — Parasites, Poison and Humans

In 2015 the bees are still dying in masses. Which at first seems not very important until you realize that one third of all food humans consume would disappear with them. Millions could starve. The foes bees face are truly horrifying – some are a direct consequence of human greed. We need to help our small buzzing friends or we will face extremely unpleasant consequences.

6 min

What if There Was a Black Hole in Your Pocket?

What would happen to you if a black hole the size of a coin suddenly appeared in your pocket? Lets find out!

4 min

What Is Dark Matter and Dark Energy?

What is dark energy? What is dark matter? Well, if we knew exactly we would have a nobel prize – we know that they exist though. So what do we know about those strange things?

6 min

The European Refugee Crisis and Syria Explained

Addiction

What causes addiction? Easy, right? Drugs cause addiction. But maybe it is not that simple.

How Facebook Is Stealing Billions of Views

Facebook just announced 8 billion video views per day. This number is made out of lies, cheating and worst of all: theft. All of this is wildly known but the media giant Facebook is pretending everything is fine, while damaging independent creators in the process. How does this work?

5 min

Quantum Computers Explained — Limits of Human Technology

Where are the limits of human technology? And can we somehow avoid them? This is where quantum computers become very interesting.

7 min

Black Holes Explained — From Birth to Death

Black holes. Lets talk about them.

6 min

What Is Something?

What is something? On the most fundamental level thinkable, what are things? Why are things? And why do things behave the way they do?

6 min