The company, RocketStar Inc. announced in a press release they have “reinvented” spacecraft with the FireStar™ Fusion Drive. It improves their water powered pulsed plasma thruster by harnessing aneutronic nuclear fusion by 50%. Sabine Hossenfelder takes a look.
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Quantum Tunneling is a process in which a particle goes through a barrier faster than the speed of light limit. An ongoing debate has raged for a hundred years, but a new experiment could finally end the debate once and for all. Sabine Hossenfelder has a look.
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The universe seems to be ruled by equations and numbers. But why just these equations and why just those numbers? Is it just coincidence? Sabine Hossenfelder takes a look at seven of the weirdest coincidences in physics.

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A recent investigation has revealed that the final steps in phasing out nuclear power in Germany were partly based on false information. Sabine Hossenfelder has a quick summary of what we know

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The European Space Agency (ESA) has just unveiled its newest mission to create artificial solar eclipses for a satellite. The mission has been dubbed Proba-3 and consists of two spacecraft in precise formation so that one can block out the sun for the other. These artificial…

The new European Hyperloop Center, a non-profit foundation in Groningen, the Netherlands, has just opened the first long hyperloop test tube in Europe. It is 420 metres long, made of white steel, and able to withstand the low pressure that will come from creating a moderate…

Australian television outlets were raving over a supposed “world-first breakthrough converting carbon dioxide into electricity”. The technology claims to be “not just carbon neutral but one step better, consuming CO2 and creating power”. Sabine Hossenfelder has a look.
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Remember buttons, the things you could push and turn? In the past two decades, they’ve slowly disappeared from devices – in particular, car dashboards. The reason is simple: touchscreens are much cheaper. Hiding controls behind touch screens, however, makes it more difficult for…

Most astrophysicists believe that 95% of the universe is dark stuff - dark matter and dark energy. We can’t see, feel, or hear it, but it’s supposedly all around us. A new experiment was recently announced that sounded quite interesting. Sabine Hossenfelder has a look.
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The FHI announced last week that they were shutting down. Located at the University of Oxford prior to its demise, the institute was one of the few places studying the risk of human extinction and a few other controversial research areas. Sabine Hossenfelder has a look.
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When researching space travel, many people have stumbled upon the idea that time doesn’t pass for light - or that time stops when you reach the speed of light. What does that mean? How does that make any sense? Sabine Hossenfelder has a look.
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Today, I want to tell you the story of how particle physicist Paul Frampton ended up in prison for smuggling drugs after being scammed by someone who pretended to be a bikini model. This is a true story. Sabine Hossenfelder has a look.
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Researchers at the University of Washington in the United States are going ahead with an experiment known as marine cloud brightening. They will spray trillions of sea salt particles into the sky above the ocean to make the clouds whiter and thereby more reflective. This,…

A recent study said that AI creates fewer carbon emissions than human labor when creating images or text. What sense does this make? Isn't the human brain more energy efficient than a computer. Sabine Hossenfelder takes a look.
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RocketStar Inc. has just announced they have “reinvented” spacecraft by releasing the world’s first fusion-enhanced space thruster, the FireStar™ Fusion Drive. They claim to have enhanced their water-powered plasma thruster by injecting boron into the exhaust plume. This, so…

Most astrophysics are pretty convinced that 80% of the matter in the universe is some dark matter. However, dark matter’s biggest competitor, modified gravity, is making a comeback with a new theory. What is this new theory? Sabine Hossenfelder has a look.
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Physicists and engineers at SLAC in California have just completed the decade-long construction of the world’s largest-ever digital camera – the 3.2 Gigapixel Legacy Survey of Space and Time (LSST) Camera. It will next be shipped to Chile to become the heart of the Vera Rubin…

A new nuclear fusion startup in German is working on a 'quasi-isodynamic stellarator'. I had a look at what that means and think it's a pretty cool approach that is among the most solid, low-risk ideas in nuclear fusion at the moment. Sabine Hossenfelder has a look.
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If you google the “worst prediction ever”, hundreds of results will pop up noting the cosmological constant was the worst prediction ever. What is the cosmological constant? Was it really the worst prediction ever? Sabine Hossenfelder has a look.
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