Jason
@jasonchla.bsky.social
Professional engineer and amateur musician
Reposted by Jason
In math, a knot is a tangled piece of string with its ends glued together. Two knots are the same if you can twist and stretch one into the other without cutting the string. A knot that seems complicated might actually be equivalent to a simple loop.
A Simple Way To Measure Knots Has Come Unraveled | Quanta Magazine
Two mathematicians have proved that a straightforward question — how hard is it to untie a knot? — has a complicated answer.
www.quantamagazine.org
September 28, 2025 at 11:45 PM
In math, a knot is a tangled piece of string with its ends glued together. Two knots are the same if you can twist and stretch one into the other without cutting the string. A knot that seems complicated might actually be equivalent to a simple loop.
Reposted by Jason
Goose morning from Emerald and runner duck Mo 😊
May 16, 2025 at 1:56 PM
Goose morning from Emerald and runner duck Mo 😊
Reposted by Jason
SHARE FOR AWARENESS! Help us find forever homes for 23 adoptable puppies from spcaLA! 🥰🐶🐾
Adoption fees are waived! ❤️
Puppies will be available for adoption at 11 a.m. at spcaLA Pet Adoption Center, 5026 W. Jefferson Blvd. in Los Angeles.
More info here: abc7.la/4hJ5pqh
Adoption fees are waived! ❤️
Puppies will be available for adoption at 11 a.m. at spcaLA Pet Adoption Center, 5026 W. Jefferson Blvd. in Los Angeles.
More info here: abc7.la/4hJ5pqh
March 21, 2025 at 5:09 PM
SHARE FOR AWARENESS! Help us find forever homes for 23 adoptable puppies from spcaLA! 🥰🐶🐾
Adoption fees are waived! ❤️
Puppies will be available for adoption at 11 a.m. at spcaLA Pet Adoption Center, 5026 W. Jefferson Blvd. in Los Angeles.
More info here: abc7.la/4hJ5pqh
Adoption fees are waived! ❤️
Puppies will be available for adoption at 11 a.m. at spcaLA Pet Adoption Center, 5026 W. Jefferson Blvd. in Los Angeles.
More info here: abc7.la/4hJ5pqh
January 4, 2025 at 9:39 PM
Moon over West Los Angeles tonight #photography
December 13, 2024 at 5:07 AM
Moon over West Los Angeles tonight #photography
The correct number of fetches #dogsofbluesky
November 24, 2024 at 3:54 PM
The correct number of fetches #dogsofbluesky
Tonight’s super moon from San Diego, CA #photography
November 16, 2024 at 2:54 AM
Tonight’s super moon from San Diego, CA #photography
Saw this on an electrical box on the sidewalk today.
November 13, 2024 at 9:35 PM
Saw this on an electrical box on the sidewalk today.
Ice skating in Santa Monica last night.
November 9, 2024 at 3:17 PM
Ice skating in Santa Monica last night.
Panorama from Jenny Lake at Grand Tetons National Park #photography #nature
October 20, 2024 at 11:27 PM
Panorama from Jenny Lake at Grand Tetons National Park #photography #nature