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Physics

At Scientific American: Could we force the universe to crash?

Does anyone remember when science was distinct from science fiction? But in those days, great discoveries were made. Who needs great discoveries when an active imagination will do just as well? Read More ›

Rob Sheldon on recent claims of dramatic new Higgs boson findings

Sheldon: This required analysis of thousands of decays and Terabytes of data crunching. So it is a triumph of data analysis to be able to see this rare decay against the more common route to stability, but neither unexpected nor revealing of physics "beyond the standard model". Read More ›

Rob Sheldon on the recent reduction in the age of the universe

Sheldon: I have long advocated a rewrite of the Big Bang model that converts the cosmic microwave numbers into a Hubble constant. But strangely, like Darwin's model in biology, we see few cosmologists willing to kill the sacred cow. They would rather change the laws of physics ("new physics") than change their model. Read More ›

Sabine Hossenfelder: Einstein’s greatest legacy was the thought experiment

She notes that one needs evidence from real experiments to demonstrate that the outcome of a thought experiment is real. But it is significant that the human mind is capable of developing the basis for momentous discoveries even before we commit to stuff that requires a budget. Read More ›

Released: Largest All Sky Map Ever

From Sloan: “Only with maps like ours can you actually say for sure that there is a mismatch in the Hubble Constant,” says Eva-Maria Mueller of the University of Oxford, who led the analysis to interpret the results from the full SDSS sample. “These newest maps from eBOSS show it more clearly than ever before.” Read More ›

Sabine Hossenfelder asks: Do we need a theory of everything?

Hossenfelder: So this whole idea of a theory of everything is based on an unscientific premise. Some people would like the laws of nature to be pretty in a very specific way... This is simply not a good strategy to develop scientific theories, and no, it is most certainly not standard methodology. Read More ›

At New Scientist: Reshaping reality via new gravity theory – Rob Sheldon comments

Sheldon: This is another example of the crises we encounter when there is a marriage between fake news and speculative theorizing. It isn’t just epidemiology and global warming, but large swathes of the “hard” sciences are misled by junk data. Read More ›