Isn't It Cool That The Fundamental Group Of ℝℙ² Is ℤ/2 Cause Removing A Disc Leaves You With A

Isn't it cool that the fundamental group of ℝℙ² is ℤ/2 cause removing a disc leaves you with a Möbius strip?

More Posts from Serialport0 and Others

3 months ago

I’ll never understand why people argue about free will. Your choices were always determined by the shape of the universe at the moment you decided to argue. Isn’t that beautiful, though?

3 months ago

(smirking while handing you a hard shell crab) have a big bite dude. of course it's a soft shell crab

5 months ago
Sonja Vordermaier; Installation, Street Lamp Forest.

Sonja Vordermaier; installation, Street Lamp Forest.

7 months ago

I saw a man this morning going from tree to tree, painstakingly painting each leaf of every tree yellow, red, and gold, one by one. I always wondered how they got that way.

8 months ago

The origins of modern genetics. From Mendel's principles of heredity, by W. Bateson.

The Origins Of Modern Genetics. From Mendel's Principles Of Heredity, By W. Bateson.
The Origins Of Modern Genetics. From Mendel's Principles Of Heredity, By W. Bateson.
The Origins Of Modern Genetics. From Mendel's Principles Of Heredity, By W. Bateson.

(cont.) These F₂ plants were again allowed to fertilise themselves and the offspring of each plant was separately sown. It was then found that the offspring, F₃, of the recessives consisted entirely of recessives. Further generations bred from these recessives again produced recessives only, and therefore the recessives which appeared in F₂ are seen to be pure to the recessive character, namely, in the case we are considering, to dwarfness. But the tall F₂ dominants when tested by a study of their offspring (F₃), instead of being all alike (as the dwarfs or recessives were), proved to be of two kinds, viz. (a) Plants which gave a mixed F₃ consisting of both talls and dwarfs, the proportion showing again an average of three talls to one dwarf. (b) Plants which gave talls only and are thus pure to tallness. The ratio of the impure (a) plants to the pure (b) plants was as 2 to 1. The whole F₂ generation therefore, formed by self-fertilisation of the original hybrid consists of three kinds of plants: 25% pure dominants, 50% impure dominants, 25% pure recessives. Or three dominants : one recessive.

8 months ago

The concept of antisocial behavior is strange. Are you telling me that you're spending the energy you have now in ways that destroy your opportunities to give or receive energy in the future? This seems like a losing strategy.

If you're so smart, why aren't you prosocial? Why haven't you realized that connection is the best part of life? And missing out on it is like missing the whole vibe.

11 months ago

do you ever think about how machine learning basically started in the 1940s and 1950s but they just didn't have the hardware at the time to implement it in a robust way

8 months ago

I believe there are often very significant costs associated with being honest and open in the present moment.

10 months ago

The percentage of people from the world population capable of following a written argument is probably very small.

8 months ago
Purple-backed Thornbill (Ramphomicron Microrhynchum), Male, Family Trochilidae, Order Apodiformes, Colombia

Purple-backed Thornbill (Ramphomicron microrhynchum), male, family Trochilidae, order Apodiformes, Colombia

photograph by Cristian Valencia

  • differentialforms
    differentialforms liked this · 3 months ago
  • seldom-equivocate
    seldom-equivocate liked this · 6 months ago
  • jumpingthesefences
    jumpingthesefences reblogged this · 7 months ago
  • asongpanda1
    asongpanda1 liked this · 7 months ago
  • bitegore
    bitegore liked this · 7 months ago
  • highpriestmckickass
    highpriestmckickass reblogged this · 7 months ago
  • vidoesthings
    vidoesthings liked this · 7 months ago
  • shitfacehammerhead
    shitfacehammerhead liked this · 7 months ago
  • math-amoung-other-things
    math-amoung-other-things reblogged this · 7 months ago
  • math-amoung-other-things
    math-amoung-other-things liked this · 7 months ago
  • emolgana
    emolgana liked this · 7 months ago
  • sevenfactorial
    sevenfactorial reblogged this · 7 months ago
  • templatelord
    templatelord liked this · 7 months ago
  • baytadax
    baytadax liked this · 7 months ago
  • entitiy-4
    entitiy-4 liked this · 7 months ago
  • snugglesquiggle
    snugglesquiggle reblogged this · 7 months ago
  • snugglesquiggle
    snugglesquiggle liked this · 7 months ago
  • twocubes
    twocubes liked this · 7 months ago
  • lilietsblog
    lilietsblog liked this · 7 months ago
  • door-keeper
    door-keeper liked this · 7 months ago
  • chevril-glove
    chevril-glove liked this · 7 months ago
  • more-mathematics-mor-lam
    more-mathematics-mor-lam reblogged this · 7 months ago
  • acid-lich
    acid-lich liked this · 7 months ago
  • vaguely-none
    vaguely-none liked this · 7 months ago
  • serialport0
    serialport0 reblogged this · 7 months ago
  • lurking-kitty
    lurking-kitty liked this · 7 months ago
  • dirichletttt
    dirichletttt reblogged this · 7 months ago
  • dragonsampersanddragons
    dragonsampersanddragons reblogged this · 7 months ago
  • solarsandpiper
    solarsandpiper liked this · 8 months ago
  • holographicman
    holographicman liked this · 8 months ago
  • bagalois
    bagalois liked this · 8 months ago
  • wiskundewezen
    wiskundewezen liked this · 8 months ago
  • what-a-strange-cat
    what-a-strange-cat liked this · 8 months ago
  • bagnificentmastard
    bagnificentmastard liked this · 8 months ago
  • lipshits-continuous
    lipshits-continuous reblogged this · 8 months ago
  • serialport0
    serialport0 liked this · 8 months ago
  • zigcarnivorous
    zigcarnivorous reblogged this · 8 months ago
  • biblonaut
    biblonaut liked this · 8 months ago
  • a-hell-of-a-bird
    a-hell-of-a-bird liked this · 8 months ago
  • stargirll111
    stargirll111 liked this · 8 months ago
  • hexydoodles
    hexydoodles liked this · 8 months ago
  • dorothytheexplorothy
    dorothytheexplorothy liked this · 8 months ago
  • z-arcane
    z-arcane liked this · 8 months ago
  • ayjada
    ayjada liked this · 8 months ago
serialport0 - serial port
serial port

187 posts

Explore Tumblr Blog
Search Through Tumblr Tags