Porn moms, a bot to learn erotic conversations, war comics, the biggest black hole and the origin of money, plus viral videos and galleries of great photos for all tastes. Welcome to the links!

Recommended Links of the Week (No. 524)

My Mother Got Into Porn: "The five women —Jane, Sarah, Emma, Anita and Sarah Louise—, who did not know each other before the documentary, first delve into the most visited X pages and then into the British adult film industry in order to later put together their ideal porn film among all of them. One that is stimulating for teenagers but that, at the same time, includes a certain emotional pedagogy."

Slutbot, the app that teaches you to have erotic conversations worthy of an orgasm: "We are not born learning to sext; it is a practice that is learned little by little. Surely, if you have faced this situation, you have felt nervous the first time. The only way to gain confidence in this area is by practicing and adopting different behaviors that are in line with it. So, as a kind of prior training to the first time, Slutbot was born because, what better than a bot to start practicing?"

Bill Mauldin, the soldier who recounted his fight against the Nazis in comics that raised his comrades' morale: "It was the only thing the American army did not censor, Bill Mauldin's cartoon. Jokes that mocked discipline, that enraged Patton, that showed how hard life was at the front, but that served to let the soldiers vent by having a laugh. Mauldin landed in Sicily and traveled through France, Belgium, Luxembourg, and Germany recounting the lives of his comrades. At 23, he received the Pulitzer. The comic also went to war."

New York frozen at 960fps

Fast fashion is destroying the planet, we throw away 811% more clothes than in 1960: "Fast fashion that offers us a pair of pants for 9 euros is not sustainable. And it is not only because it contributes to a type of labor exploitation, but also because of the environmental impact it generates: every year the landfills around the world incinerate 12 million garments whose CO2 emissions contribute to the greenhouse effect and cause the textile industry to continue being the most polluting after oil."

What is the origin of money?: "Although there is no absolute certainty about when money exactly emerged, in Homer's Iliad, in the 8th century BC, mention is already made of the gold talents offered by Achilles at the death of Patroclus. And according to the Suda lexicon, around the 10th century, the talent was like a kind of small coin. Homer spoke more of barter, that is, an exchange of goods. In Mycenae there was also talk of commercial relations with exchange of objects, or an exchange of goods that functioned as money or currency, although they really were not."

Casey, the small town of big things: "Located about 350 kilometers south of Chicago and as many west of Cincinnati, Casey is a typical little town of the Midwest. Two thousand and something inhabitants, town hall with patriotic slogans ("The land of the free") in the windows and 70% Republican vote in the presidential elections. A quiet place where nothing ever happens, except that it contains a handful of Guinness records each more extravagant than the last. The rocking chair, the mailbox, the golf tee, the wooden clogs, and the largest pitchfork in the world are here."

Kahvi Morso

The surprising map showing that our galaxy is "warped and twisted" (and not flat as previously thought): "For scientists, over the years, our galaxy has been a door to learn more about the Universe, a path to the answers of the insurmountable mystery of where we come from and where we are going. Almost all of us have at some time seen it with its immensity reduced to an illustration: an immense spiral line, a flattened hurricane of planets, stars, and cosmic dust that houses the Earth and the Sun in one of its long luminous tentacles. But, apparently, that flat vision is wrong."

Supermassive black hole with 40 billion solar masses, the largest ever measured: "The astronomers estimated the mass of a large black hole at the center of the galaxy Holmberg 15A, which turned out to be about 40 billion solar masses. This is the largest value obtained by a reliable method based on the kinematics of the stars, and not based on indirect laws, the authors write in the preprint on arXiv.org."

The reasonable effectiveness of mathematics: "The reason is also astonishingly simple and therefore beautiful and elegant. In physics we expect that, given the same elements, for example, electric charges, under the same conditions they always behave the same way, attract, repel, etc. That is, in physics we have basic elements and then relationships between them, and depending on the existing relationships, one or another phenomenon can occur. That is, physics seeks regularities in the universe. But what human language is capable of describing this type of situation? What allows us to define elements that always relate in the same way and that these relationships determine what is possible or not to do with these elements consistently?"

Virtual reality + water slides

Blade Runner, a philosophical and symbolic analysis: "The key to the Blade Runner story is that artificial biological beings, the replicants, can develop emotions and come to have their own personality. It is taken for granted in the film that the emotional progress of the replicants leads them to become autonomous beings with free will. The bio-artifacts behave like human beings, questioning the fate of their life and the reason why death is inevitable. This makes them become aware of their finiteness and rebel against death, seeking to overcome it." More about Blade Runner

The paradoxical dimensions of self-esteem: "To have consciousness of ourselves, to believe that we possess a stable self that endures throughout our life, that seems naturally linked to the possibility of judging and valuing it, of turning it into an abstract object that would include all our roles, attributes, or achievements. Also the temptation to keep comparing it with the perception we have of those around us, with the ideals we are able to imagine, to feel it very sensitive to the approval of others, to congruence with the cultural values of the group to which we belong."

Descending a spiral staircase 88 meters high: "Thus, it began to be promoted as "the stairway to heaven of Taihang" and it was argued in its promotional material that, being a staircase with wide viewpoints, it allows views and photographs of the nearby forests and mountains at different heights and angles. This staircase is a giant 88 meters high and 321 steps, which can only be climbed if you are under 60 years old and first sign a written consent stating you are in good health."

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GALERIES: Digital beauty filters, comparison of rocket sizes, gliding hawk, professional skaters in a water park, expert-level operator, dog jumping into car, the surprising way trees communicate, dog-bear eating ice cream, 30-year-old IMAX projector, Tarantino's tributes, puppy doesn't understand, instant karma, Area 51 raid simulation, Guinness record for the longest plank (women's), how to keep flying a paper airplane continuously, puppy imitates horse, loader tire, safety when charging your vehicle, powered paraglider crashes into the ground, from bald to hairy in two years, Mont Saint-Michel from a drone, Shenzhen airspace, diving between continents, the evolution of mobile phones, and the short film of Alpha Squadron spaceships.

Ping pong balls playing xylophone

GALERIES: Cameras used for historical photographs, what the world was like 160 years ago, houses in tree stumps, Alfa Romeo Carabo, animal skeletons, painted animals that blend into nature, cat hats made from their own fur, the black-and-white photo illusion, the 'bulges' of 70s rock stars, the lives of people in the Soviet Union, Windows 3.1 themes, Disneyland's opening day, and we close with the Vertedero Animado and the Tiradero Visual. There is something for everyone!

Vorticity 2 (4K)

Thanks for reading! See you in a few days and have a great weekend.