Dark matter is everywhere around us, but the stuff isn’t distributed evenly across our universe – instead, it clumps together in and around galaxies. Even within galaxies, it should form dense “subhalos,” which are clumps of higher density. In a new study, physicists say they detected one such clump just 3,000 lightyears away from our Milky Way. Amazing if true. Let’s take a look.

I recently made a video about 10 physics myths, and a lot of you asked that I do another one about quantum myths in particular. Let’s take a look.

A group of physicists say they have figured out why our Sun does not have superflares, like other stars of its type. It’s not that we have just been lucky so far. They say it’s because our solar system’s planets protect us. And that idea, they say, also explains the Sun’s 11 year cycle. Let’s take a look.

Our universe started with an incredibly rapid phase of expansion, growing exponentially before that expansion eventually slowed down. This idea is called “inflation,” but physicists are still unsure what caused the rapid expansion and why it stopped. In a new paper, researchers say they’ve come up with an elegant new explanation for that inflation. Let’s take a look.

A group of physicists claim they have proof that true randomness exists. This has implications for encryption protocols and computing, but (if true) would also indicate that the past does not determine the present. But are their findings actually legitimate? Let’s find out.

One of the key questions for predicting the impact of Artificial Intelligence is whether we will see a “slow takeoff” or a “fast takeoff”. In today’s video I have a look at what various forecasts say and why and what that might mean for the idea of “post scarcity” or “abundance economy”.

Can two different theories of physics both accurately explain the same phenomenon? The answer in some cases is yes. In physics, this is called a duality, and it raises the question of why we choose one theory over another. What even is reality if we can use multiple different theories to describe it? Let’s take a look.

To us normal people, cause and effect are linked together in a distinct order. The cause occurs first, and the effect follows after. But according to a new paper, that causal order breaks down if you apply quantum mechanics to gravity. Join me in my quest to wrap my head around this head-spinning (but also plausible) paper.

Units make the difference between maths and reality, between platonic ideals and physical quantities. But what are units, really? This is one of the most underrated questions in the foundations of physics – let’s take a look.

Nuclear batteries – which deliver energy from radioactivity – have seen some massive technological improvements over the past few years. Startups are shifting to larger devices that can output more power safely, thereby dramatically increasing the possible applications. Let’s take a look at how nuclear battery tech is improving and where it might go in the future.

Zero-point energy is one of the most intriguing phenomena of quantum mechanics. Because quantum particles are also waves, they must always have more than zero energy. Zero-point motion is even crazier – it means that quantum particles at their lowest-energy point should also move, because of literally nothing. Zero point motion has been very hard to experimentally verify, but physicists confirmed it in a recent experiment – let’s take a look.

Over the years, astrophysicists have made many observations that they can’t explain with normal gravity and normal matter combined. Most physicists explain these differences between observation and prediction with dark matter. However, some believe that modified Newtonian dynamics (MOND for short) – which modifies the laws of gravity – is an alternative explanation. While that theory was supposedly “killed” a few years ago, the discussion over MOND has now been revived with a new series of papers. Let’s take a look.