📖Read Time: 18 minutes 📊Readability: Advanced 📐 (Technical knowledge needed) 🔖Core Topics: tidal, tides, bulge, moon, earth Overview That there is no tidal bulge is the key premise of this article. Upper-level oceanography undergraduates and above know this. Yet the …
Scientists have used the loudest gravitational-wave signal ever recorded to put Albert Einstein’s more than 100-year-old theory of gravity to its toughest test yet — and once again, it passed. The signal, called GW250114, came from the merger of two …
The paper “Extremal black holes from homotopy algebras“, co-authored by Jan Gutowski, Chettha Saelim, and Martin Wolf, was published today (30 January) in the journal “Classical and Quantum Gravity“. In this paper, the authors investigate the construction of all extremal …
The playwright Tristan Bernard is said to have eaten lunch at the Eiffel Tower every day, but not because he liked the menu in its café: rather, because it was the only place in Paris with no view of the …
My husband and I visited the Library of Congress on the final day of winter break this year. In a corner, we found a facsimile of a hand-drawn map: the world as viewed by sixteenth-century Europeans. North America looked like …
It’s a cosmic roll of the dice. A major asteroid strike could cause widespread devastation and profoundly impact life on Earth, so thwarting an incoming object could be a matter of life or death. Luckily, we have a little bit …
“We really, really do love Mathletics.” Those words – spontaneous and genuine – came from Anna Jones, a Reception–Y1 teacher and maths leader at Bryn Awel Primary School in Rhymney, Wales. And throughout our conversation with Anna, those two words kept appearing …
If you’ve been exploring web development, you’ve probably heard of Ruby on Rails. Maybe a friend mentioned it, or you saw it in a job posting. Either way, you’re wondering what makes it special. Here’s the short version: Ruby on …
Our universe is a very strange place, but a new dark matter simulation seems to suggest that we live in a particularly strange area in it. According to a new paper published by a group of astrophysicists, simulations seem to …
Picture a rat, roughly 250 grams, dropped into the home cage of a much larger, territorial male. The resident lunges, pins, and dominates for 10 minutes before the intruder is allowed to retreat behind a wire mesh barrier. Two days …
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