The Dark Energy Survey has surveyed dark energy and found that our universe is unlikely to rip into pieces. I think that’s good news for the cosmos. Let’s have a look at what they did and what we can learn from it.
What does it mean that gravity is not a force? In this video I will revisit the question and explain why you are currently accelerating upwards, and how Einstein's equivalence principle works.
Black holes were thought to arise from the collapse of dead stars. But a Webb telescope image showing the early universe hints at an alternative pathway.
The experiment this week is about an experiment which will measure nothing. But not any nothing. A very specific nothing, that's the vacuum of quantum electrodynamics.
Scientists have been chasing the dream of harnessing the reactions that power the Sun since the dawn of the atomic era. Interest, and investment, in the carbon-free energy source is heating up.
The sun keeps pumping out more or less the same amount of energy day in and day out. It’s what we do down here on earth that will decide whether it cooks us or saves us.
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