This request seems a bit unusual, so we need to confirm that you’re human. Please press and hold the button until it turns completely green. Thank you for your cooperation!
Press and hold the button
If you believe this is an error, please contact our support team.
213.165.242.6 : 927f5762-49a4-41b2-9c2b-7699b33e
Certain knots, like this trefoil, can be formed from vortices in a quantum fluid
Login/Shutterstock
By manipulating a quantum fluid, researchers could form liquid knots that never unravel. These could help us shed light on odd quantum objects from the dawn of the universe.
When tiny whirlpools called vortices form in a fluid, they can make loops that can then be knotted like a loop of string. But while a string can form knots that won’t unravel without the help of scissors, knotted vortices in a fluid break free more easily. They can explode into a diffuse swarm of…
This request seems a bit unusual, so we need to confirm that you’re human. Please press and hold the button until it turns completely green. Thank you for your cooperation!
Press and hold the button
If you believe this is an error, please contact our support team.
213.165.242.6 : eda64c0d-3b9b-4b9c-8429-ebef2657
Sheep skulls modified by ancient Egyptians so that their horns grew upward instead of outward
B. De Cupere
Sheep with deformed horns are among the more mysterious animal remains discovered at an ancient Egyptian burial site dating back to around 3700 BC. They also represent the oldest physical evidence of humans modifying the horns of livestock.
“The sheep were deliberately made ‘special’ by castration,” says Wim Van Neer at the Royal Belgian Institute of Natural Sciences. “In addition, their horns were directed upward, and in one case, the horns were removed.”
This request seems a bit unusual, so we need to confirm that you’re human. Please press and hold the button until it turns completely green. Thank you for your cooperation!
Press and hold the button
If you believe this is an error, please contact our support team.
213.165.242.6 : 27cfe71b-ab00-4a81-a10a-73bdadec
© 2025 Ideal Inside All Rights Reserved.
