Group items matching

in title, tags, annotations or url

¿Te gusta el ajedrez? Pues atento: Si resuelves este enigma, ¡podrás ganar 1 millón de dólares! Investigadores de la Universidad de St. Andrews ofrecen esta jugosa recompensa para quien pueda desarrollar un algoritmo que supere al viejo acertijo del ajedrez conocido como "el problema de las ocho reinas". Vídeo de Eduardo Sáenz de Cabezón.

¿Has oído hablar del problema de los 3 cubos? Vamos a conocer su importancia y porqué son interesantes los avances que se han hecho con este enigma matemático. Ecuaciones diofánticas. Diofanto de Alejandría. Vídeo de Eduardo Sáenz de Cabezón. Duración 8:20.

Dutch artist Piet Mondrian's abstract, rectangular paintings inspired mathematicians to create a two-fold challenge. Can you solve the puzzle and get to the lowest score possible? Gordon Hamilton shows how. View full lesson here: https://ed.ted.com/lessons/can-you-solve-the-mondrian-squares-riddle-gord-hamilton English subtitles. Duración 5:10.

You've been chosen as a champion to represent your wizarding house in a deadly duel against two rival magic schools. Your opponents are a powerful sorcerer who wields a wand that can turn people into fish, and a powerful enchantress who wields a wand that turns people into statues. Can you choose a wand and devise a strategy that ensures you will win the duel? Dan Finkel shows how. View full lesson here: https://ed.ted.com/lessons/can-you-solve-the-wizard-standoff-riddle-daniel-finkel Subtítulos en español. Duración 4:16.

After a massive storm tears through the Hex Archipelago, you find five grizzled survivors in the water. As an act of gratitude for saving them, they reveal a secret - the island they were just on holds some buried treasure. But when the sailors try to describe the island, something seems off. Can you find the booty despite their strange instructions? Daniel Griller shows how. View full lesson here: https://ed.ted.com/lessons/can-you-solve-the-buried-treasure-riddle-daniel-griller This riddle is an adaptation of "Helen on the island" and appears in its original form in the book Elastic Numbers: 108 Puzzles for the Serious Problem Solver by the educator. Subtítulos en español. Duración 3:54.

Your interstellar police squad has tracked a group of criminals to a cluster of seven planets. Now you must apprehend them before their reinforcements arrive. Of course, the fugitives won't just stay put - they'll try to dodge you by moving from planet to planet. Can you devise a sequence for searching the planets that's guaranteed to catch them in ten warps or less? Edwin F. Meyer shows how. View full lesson here: https://ed.ted.com/lessons/can-you-solve-the-seven-planets-riddle-edwin-f-meyer The strategy of simplification allows problem-solvers to gain new insights about possible solutions that may be difficult to grasp when looking at too many variables. Subtítulos en español. Duración 4:30.

Mining unobtainium is hard work - the rare mineral appears in only 1% of rocks in the mine. But your friend Tricky Joe has something up his sleeve. The unobtainium detector he's been perfecting for months is finally ready, and it returns accurate readings 90% of the time. But can it really be trusted? Alex Gendler explains the false positive paradox and the base rate fallacy. View full lesson here: https://ed.ted.com/lessons/can-you-solve-the-false-positive-riddle-alex-gendler Want to find out how to win Monopoly using probability? Read this article to learn how to sharpen your board game skills with probability: http://mentalfloss.com/article/64314/math-hacks-will-give-you-edge-monopoly Why do we fall for false positives even though they're common? This piece breaks down the mathematical paradox: https://www.newscientist.com/article/2100273-why-do-we-fall-for-false-positives-even-though-theyre-common/ This scientific article describes the real-world influence of posterior probability: https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4441123/ Subtítulos en español. Duración 4:20.

You've found Leonardo da Vinci's secret vault, secured by a series of combination locks. Fortunately, your treasure map has three codes: 1210, 3211000, and… hmm. The last one appears to be missing. Can you figure out the last number and open the vault? Tanya Khovanova shows how. View full lesson here: https://ed.ted.com/lessons/can-you-solve-the-leonardo-da-vinci-riddle-tanya-khovanova Autobiographical numbers: https://blog.tanyakhovanova.com/2007/12/autobiographical-numbers/ https://en.wikipedia.org/wiki/Self-descriptive_number English subtitles. Duración 4:31.

The villainous Dr. Schrödinger has developed a growth ray and intends to create an army of giant cats to terrorize the city. Your team of secret agents has tracked him to his underground lab. You burst in to find… that it's a trap! Can you escape from Dr. Schrödinger's lair and save the day? Dan Finkel shows how. View full lesson here: https://ed.ted.com/lessons/can-you-solve-the-giant-cat-army-riddle-dan-finkel Subtítulos en español. Duración 4:45.

You're overseeing the delivery of supplies to a rebel base in the heart of enemy territory. To get past customs, all packages must follow this rule: if a box is marked with an even number on the bottom, it must be sealed with a red top. One of the four boxes was sealed incorrectly, but they lost track of which one. Can you figure out which box it is and save the day? Alex Gendler shows how. View full lesson here: https://ed.ted.com/lessons/can-you-solve-the-rebel-supplies-riddle-alex-gendler Falacia de la afirmación del consecuente, también llamado error inverso (affirming the consequent, sometimes called converse error, fallacy of the converse or confusion of necessity and sufficiency). Subtítulos en español. Duración 4:21.

Your team has developed a probe to study an alien monolith. It needs protective coatings - in red, purple or green - to cope with the environments it passes through. Can you figure out how to apply the colors so the probe survives the trip? Dan Finkel shows how. View full lesson here: https://ed.ted.com/lessons/can-you-solve-the-alien-probe-riddle-dan-finkel Subtítulos en español. Duración 4:38.

You heard the travelers' tales, you followed the maps, and now, you've finally located the dungeon containing a stash of ancient coins. The good news: the wizard who owns the castle has generously agreed to let you have the coins. The bad news: he's not quite as generous about letting you leave the dungeon ... unless you solve his puzzle. Can you solve it and get out alive? Lisa Winer shows how. Solution to the bonus riddle mentioned at the end: https://brilliant.org/tededcoinflip Subtítulos en español. Duración 4:40.

After months of travel, you've arrived at Duonia, home to the famous temple that's the destination of your pilgrimage. The walk from the welcome center to the temple isn't a long one..., but there's a problem. Can you outsmart the city's imposed tax and make it to the temple without paying a fee? Daniel Finkel shows how. View full lesson here: https://ed.ted.com/lessons/can-you-solve-the-penniless-pilgrim-riddle-daniel-finkel Want to continue exploring Duonia? Here there is a variation of the Pilgrim Riddle: https://wordplay.blogs.nytimes.com/2013/08/26/pilgrim/ Subtítulos en español. Duración 4:26.

A hostile artificial intelligence called NIM has taken over the world's computers. You're the only person skilled enough to shut it down, and you'll only have one chance. Can you survive and shut off the artificial intelligence? Dan Finkel shows how. View full lesson here: https://ed.ted.com/lessons/can-you-solve-the-rogue-ai-riddle-dan-finkel This video was inspired the by a game called Nim that has been played in various forms for centuries. The fundamental structure of Nim-style games is that there are one or more piles of objects, and certain rules for removing objects from the piles. There are always 2 players in Nim. Nim can even be played by younger students simply by making the numbers smaller: https://mathforlove.com/lesson/1-2-nim/ English subtitles. Duración 4:02.

¿Qué tienen que ver los primos de Mersenne con los números perfectos? ¿Están de alguna manera relacionadas estas dos maravillas numéricas? La respuesta la tienen dos de los más grandes matemáticos de la historia, Euclides y Euler. Vídeo de Eduardo Sáenz de Cabezón. Great Internet Mersenne Prime Search: https://www.mersenne.org/

Before he turned physics upside down, a young Albert Einstein supposedly showed off his genius by devising a complex riddle involving a stolen exotic fish and a long list of suspects. Can you resist tackling a brain teaser written by one of the smartest people in history? Dan Van der Vieren shows how. View full lesson here: https://ed.ted.com/lessons/can-you-solve-einstein-s-riddle-dan-van-der-vieren Subtítulos en español. Duración 5:00.

One hundred green-eyed logicians have been imprisoned on an island by a mad dictator. Their only hope for freedom lies in the answer to one famously difficult logic puzzle. Can you solve it? Alex Gendler walks us through this green-eyed riddle. View full lesson here: https://ed.ted.com/lessons/the-famously-difficult-green-eyed-logic-puzzle-alex-gendler Subtítulos en español. Duración 4:30.

You're the realm's greatest mathematician, but ever since you criticized the Emperor's tax laws, you've been locked in the dungeon. Luckily for you, one of the Emperor's governors has been convicted of paying his taxes with a counterfeit coin, which has made its way into the treasury. Can you earn your freedom by finding the fake? Jennifer Lu shows how. View full lesson here: https://ed.ted.com/lessons/can-you-solve-the-counterfeit-coin-riddle-jennifer-lu Subtítulos en español. Duración 4:15.

As the cargo director on the maiden voyage of the S.S. Buoyant, you've agreed to transport several tanks containing the last specimens of an endangered fish species to their new aquarium. Unfortunately, the boat is battered by a fierce storm, throwing your precious cargo overboard. Can you get the fish to safety and save the day? Steve Wyborney shows how. View full lesson here: https://ed.ted.com/lessons/can-you-solve-the-fish-riddle-steve-wyborney Subtítulos en español. Duración 4:30.

It's a good day to be a pirate. Amaro and his four mateys - Bart, Charlotte, Daniel, and Eliza have struck gold - a chest with 100 coins. But now, they must divvy up the booty according to the pirate code - and pirate code is notoriously complicated. Can you help come up with the distribution that Amaro should propose to make sure he lives to tell the tale? Alex Gendler shows how. Teoría de juegos. View full lesson here: https://ed.ted.com/lessons/can-you-solve-the-pirate-riddle-alex-gendler Subtítulos en español. Duración 5:10.