hossenfelder

Science

Geothermal Energy: How Big is the Potential?

There is a lot of energy right under our feet, a relic from Earth’s hot past as a ball of plasma. But how much can geothermal energy realistically do for us? What technologies are currently being pursued, what are the risks, and is it even carbon neutral? In this video Sabine Hassenfelder has collected all […]

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Quantum Computing

Does Consciousness Influence Quantum Effects?

Sabine Hossenfelder examiens the connection between consciousness and quantum physics.

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Quantum Computing

Is The Quantum Hype Bubble About To Burst

How much of what you hear about quantum computing is real promise and how much of it is hype? What is the “quantum winter” that so many physicists have been warning of? In this video Sabine takes a look.

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Philosophy Fridays Science

What is “Nothing”?

This video spans the realms of physics and philosophy and was inspired by “Levels of Nothing” by Robert Lawrence Kuhn, in the book “The Mystery of Existence: Why is there Anything At All” by John Leslie and Robert Lawrence Kuhn.

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Mobile

5G: The Trouble With the New Phone Network

5G isn’t all that it’s cracked up to be. Don’t get me wrong, it’s usually faster, but the EM spectrum it uses has issues. Sabine explains. Correction to what I say at 15 mins 57 seconds: It’s should be 3 orders of magnitude, not 30. You’d think that technology and science make a good team, […]

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Quantum Computing

Counterfactual Quantum Computation is Really Weird

Events that could have happened but didn’t, so called counterfactual events, are but a mind-game in our reality. In quantum reality, however, they are quite real indeed. In this video I explain how this can be used to do a computation without actually running the computer. This is called “counterfactual computation” (or “counterfactual quantum computation” […]

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Quantum Computing

Quantum Games — Really!

Sabrina Hassenfeld shows off games that teach quantum physics.

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Quantum Computing Science

Can particles really be in two places at once?

Here’s another stellar video from Sabine Hossenfelder. Today I tell you what happened when I wrote an opinion piece for the Guardian about quantum computing, had to explain what a qubit is, and decided against using the phrase that it “can be in two states at the same time”. What happened next and what did […]

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Science

Has quantum mechanics proved that reality does not exist?

In the past years you may have seen headlines claiming that objective reality does not exist because some quantum mechanics experiment has shown it. In this video Sabine Hossenfelder explains what this is all about and why this experiment doesn’t show that reality doesn’t exist.

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Science

How bad is plastic?

Sabine Hossenfelder examines how bad plastic is. Time stamps: 0:00 Intro 0:31 Sponsor Message 1:22 What is plastic? 2:46 How long does plastic last? 4:49 Why worry about plastic? 8:50 Bacteria that digest plastic 12:34 Are bioplastics any good? 15:36 Steel from plastic

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