May 10, 2021
What Einstein Meant by "Spooky Action"
Quantum mechanics is weird – I am sure you’ve read that somewhere. And why is it weird? Oh, it’s because it’s got that “spooky action at a...
May 3, 2021
Dark Matter: The Situation Has Changed
Hi everybody. We haven’t talked about dark matter for some time. Which is why today I want to tell you how my opinion about dark matter has changed over the past twenty years...
Apr 26, 2021
Particle Physics Discoveries That Disappeared
I get asked a lot what I think about this or that report of an anomaly in particle physics, like the B-meson anomaly at the large hadron collider which made headlines last month or...
Apr 19, 2021
Could We Travel via Higher Dimensions?
In science fiction, hyper drives allow spaceships to travel faster than light by going through higher dimensions. And physicists have studied the question whether such extra...
Apr 12, 2021
Does the Universe Have Higher Dimensions?
Space, the way we experience it, has three dimensions. Left-right, forward backward, and up-down. But why three? Why not 7? Or 26? The answer is: No one knows. But if no one knows...
Apr 5, 2021
Should Hawking Have Won a Nobel?
Stephen Hawking, who sadly passed away in 2018, has repeatedly joked that he might get a Nobel Prize if the Large Hadron Collider produces tiny black holes. For example, here is a...
Mar 29, 2021
Is the Universe Really a Hologram?
Do we live in a hologram? String theorists think we do. But what does that mean? How do holograms work, and how are they related to string theory? That’s what we will talk...
Mar 15, 2021
Can We Stop Hurricanes?
Hurricanes are among the most devastating natural disasters. That’s because hurricanes are enormous! A medium-sized hurricane extends over an area about the size of Texas. On a...
Mar 8, 2021
Do Complex Numbers Exist?
When the world seems particularly crazy, I like looking into niche-controversies. A case where the nerds argue passionately over something that no one knew was controversial in the...
Mar 1, 2021
Schrödinger’s Cat – Still Not Dead
The internet, as we all know, was invented so we can spend our days watching cat videos, which is why this video is about the most famous of all science cats,...
Feb 25, 2021
What's Up With the Ozone Layer?
Without the ozone layer, life, as we know it, would not exist. Scientists therefore closely monitor how the ozone layer is doing. In the past years, two new developments have...
Feb 15, 2021
Simulation Hypothesis Is Pseudoscience
I quite like the idea that we live in a computer simulation. It gives me hope that things will be better on the next level. Unfortunately, the idea is unscientific. But why do some...
Feb 8, 2021
Don't Fall for Quantum Hype
Quantum technology is presently amazingly popular. The United States and the United Kingdom have made it a „national initiative”, the European Union has a quantum...
Jan 25, 2021
Where Do Atoms Come From?
Matter is made of atoms. You all know that. But where do atoms come from? When were they made and how? And what’s the “island of stability”? That’s what we...
Jan 18, 2021
Is the Universe Fine-Tuned?
Today I want to talk about the claim that our universe is especially made for humans, or fine-tuned for life. According to this idea it’s extremely unlikely our universe would...
Jan 11, 2021
The Mathematics of Consciousness
Physicists like to think they can explain everything, and that, of course, includes human consciousness. And so in the last few decades they’ve set out to demystify the brain...
Jan 4, 2021
Is Time Real? What Does This Even Mean?
Time is money. It’s also running out. Unless possibly it’s on your side. Time flies. Time is up. We talk about time… all the time. But does anybody actually know...
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