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The real double-slit quantum eraser they don't want you to know about! (mander.xyz)

The recent post made me fear that a lot of you are taking this “monkey looks at double-slits” meme, which was only ever supposed to be a funny monkey meme, actually seriously. Honorable mention goes to @kromem, whose 12 posts on the topic, insisting that the quantum eraser experiment (but not the delayed-choice quantum...

The oldest pieces of Baltic amber found on the Iberian Peninsula indicates imports began over 5,000 years ago (phys.org)

A team of scientists from the Universities of Granada and Cambridge, as well as the Government of Catalonia, have identified the oldest pieces of Baltic amber ever found on the Iberian Peninsula, revealing that this luxury material used in jewelry and handicrafts around the world was already being imported more than 5,000 years...

Is there a safe way to run multiple desktop environments on Ubuntu 22.04?

I have tried it on several distros before and it always causes problems because you get a million more packages intermingled with your already installed packages and sometimes you get conflicts or whatever. But it usually messes up my system. is there a safe way to have several desktops installed? or do you pretty much install a...

Does multiplexing a usb power cable from 2 cables into 1 impact energy efficiency?

I have two led strips used for 2x27" monitor bias lighting. Each have their own USB cables for power. These two USB cables are plugged into a 2-port wall charger for a phone. I would like to use a 2x female to 1x male adapter to join the two USB cables into one, then plug it into a much smaller 1-port USB wall charger. The...

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