Another update on one my favorite #mossyearth projects, the restoration of coral reefs, and the ecosystems they support, in areas of the sea floor in Indonesia that had been devastated by human activity. https://www.youtube.com/watch?v=2qzNqsAE_Bg

About a year ago, @ra and I learned of a magic trick where the performer holds an unknotted string and knots it into a trefoil without releasing the ends of the string. A mathematical impossibility! After learning how it is done, we wrote a paper explaining how to execute a similar trick for […]

Just unearthed this music video of the vocal quartet Säje, covering a song of Björk. I remember enjoying it very much a few years ago and lamenting that I could not find it again. For some reason, it is unlisted on Youtube, so I am glad I stumbled across it again […]

Today I found myself annoyed at the traditional design of the piano keyboard. It makes tasks that should be straightforward, like transposing chords and melodies, take up a lot of effort, and it is hard to get a physical feel for each chord type -- one has to learn each chord _in each key_. So I […]

https://www.youtube.com/watch?v=s7fH6Gv3DIw #musicyoushouldhear #LucíaFumero #RitaPayés

Dia musicado

This weekend I discovered a webpage that generates these puzzles, where the goal is to draw the unique closed loop in a square grid, subject to constraints on how many times you are allowed to pass next to certain tiles. There are various difficulty levels, and you can also choose among many […]

A back-to-work cartoon for @newscientist.com

To those who say we will "adapt" to climate change: https://www.youtube.com/watch?v=GmrxDTM2zCI

Optimistic and defiant: "Art isn't and was never just content. Art is content plus intent" - beautiful speech by Tim Minchin! #art #empathy #humanity #arts #investment #ai #timminchin https://youtu.be/ODSKfN6pSMs

This should have been big news! Ten funding agencies from eight European countries have pledged to support a public infrastructure that is poised to replace academic journals: FWF 🇦🇹 RCN 🇳🇴 Forte 🇸🇪 ARIS 🇸🇮 SRC 🇸🇪 FCT 🇵🇹 CSIC 🇪🇸 DFG 🇩🇪 Formas 🇸🇪 ANR 🇫🇷 Only two of them issued press releases in […]