10 Puzzles That Cant Be Solved

The human brain is a marvellous thing It knows where our limbs are without thinking, understands speech or fear and is capable of accurately weighing up a person’s character in 0

1 seconds But there are some things in this world even the most intelligent people on the planet can’t work out From century-old riddles to real-life treasure hunts, get ready for: 10 PUZZLES THAT CAN’T BE SOLVED XL NUMBER 10 THE MOVING SOFA PROBLEM Moving house is never easy, particularly if you need to navigate a sofa around a tight corner in the hallway leading to your brand-spanking new apartment If it’s a small sofa, you might not have an issue

But a huge sofa is sure to get stuck and there’s only so much pivoting you and your friends can do So, with this in mind, what's the largest sofa you could possibly fit around the corner? Well, this is essentially the basis of the moving sofa problem and it’s been confusing mathematicians for over half a century Currently, the largest known shape that fits around a corner is called the Gerver sofa Made up of 18 different curves, proposed by Joseph Gerver in 1992, it looks a bit like a cartoon phone, with the middle hollowed out in a semi circle Most evidence suggests that this is the largest possible shape

That’s because it has the largest area compared to the other sofas that came before it This includes the Hammersley sofa which has an area that’s ½ percent smaller than Gervers I know what you’re thinking, this doesn’t seem crazy different, but mathematicians had a field day when Gerver presented his findings because it showed that there could be an EVEN LARGER sofa area These guys REALLY need to get out more But the thing is, Gerver claims HIS sofa is the largest area, and no one has yet been able to prove him wrong! So, just to be safe, it’s probably best to ditch the sofa and opt for a lazy boy chair instead

NUMBER 9 KRYPTOS For over 28 years, a mysterious sculpture sat outside CIA headquarters in Langley, Virginia, has eluded codebreakers across the globe Created by American artist Jim Sanborn, The Kryptos Statue, contains four encrypted messages Of the four messages, the first three have been solved, while the fourth message remains unsolved Once cracked, it is assumed the whole code becomes a riddle that requires knowledge of the grounds of the CIA headquarters to find…something

Maybe it’s proof that aliens exist Sanborn has given away two clues over the years to help solve the riddle The first word was ‘Berlin’ which is said to be hidden in the final 97 letters In 2014, Sanborn gave away the second clue: the word ""clock"" People have speculated that these words are a reference to the Berlin Uhr clock, an unusual object that tells the time by means of illuminated and coloured fields

Others say it could be a reference to the breaking of the Enigma code Either way, the fourth message still has people scratching their heads Can we have another clue please Sanborn? NUMBER 8 CICADA 3301 If you’re a fan of internet puzzles, you’ve probably stumbled across the work of Cicada 3301 Since 2012, the mysterious internet organization has been setting the world’s codebreakers a complex set of puzzles to crack

Over the years, anonymous individuals have claimed to have completed the puzzles, but verification from the organization has never been made So basically, it's not totally unsolved, but I'm going to go out on a limb and say most people watching this won't be able to crack the codes on their own It’s this kind of thinking that caused people to speculate that the puzzles were a recruitment tool for the NSA, CIA, MI6, or a cyber mercenary group Yet others simply reckon Cicada 3301 is an alternative reality game Either way, Cicada 3301 has been named the most elaborate puzzle of the online age and the mysterious group are still around today

In April 2017 they warned codebreakers to only trust puzzles with their special PGP signature: 7A35090F Whatever the hell that means NUMBER 7 COLLATZ CONJECTURE The 3x + 1 problem, also known as the Collatz Conjecture, may seem like a simple maths equation, but even the brainiest of mathematicians can’t completely crack it It goes like this: Pick any number

If that number is even, divide it by 2 If it's odd, multiply it by 3 and add 1 Now repeat this process with your new number If you keep going, you'll eventually end up at 1 Every single time

Mathematicians have tried this problem out with millions of numbers and they've never found a single one that didn't end up at 1 eventually The thing is, they've never been able to prove that there isn't a special number out there that never leads to 1 So, there could be a reaaaally big number out there that goes to infinity instead, or maybe even a number that gets stuck in a loop and never reaches 1 However, no one has been able to prove that for certain, and believe me they’ve tried Mathematical genius Paul Erdős got so wound up by it he even offered $500 in 1983 to anyone who could solve it

NUMBER 6 WILBERFORCE RIDDLE Bishop Samuel Wilberforce was one of the greatest public speakers of his day He once famously debated Charles Darwin’s protege Thomas Huxley about his opposition towards Darwin's theory of evolution But when he wasn’t busy dismissing the concept of natural selection, he kept himself amused with a good riddle After his death in 1873, this riddle was found among his literary papers: “I’m the sweetest of sounds in Orchestra heard, Yet in Orchestra never was seen

I’m a bird of gay plumage, yet less like a bird, Nothing ever in Nature was seen Touch the earth I expire, in water I die, In air I lose breath, yet can swim and can fly; Darkness destroys me, and light is my death, And I only keep going by holding my breath If my name can’t be guessed by a boy or a man, By a woman or girl it certainly can” To this day, no one has ever convincingly solved the riddle Although “whale” is the most common answer you’ll hear and that’s because… 'ORC' was the most prominent sound in the word 'orchestra', which could relate to the Latin word for whale, 'orca'; a plume of water spouted by a whale could be described as ""plumage""; whales die when beached, and the rest die naturally in the water; a breaching whale could be said to ""fly""; whale oil banished darkness when used in lanterns, but required a whale to die to be harvested; and whale bone was a common component of corsets worn by women

If you want have a go at solving the 144 year old riddle, here’s your chance to shine, let us know what you think the answer is in the comments below NUMBER 5 WWII PIGEON’S SECRET CODE During the Second World War, the United Kingdom used in the region of 250,000 homing pigeons for many purposes, including communicating with those behind enemy lines So when an encrypted WWII message was found in 1984 strapped to the remains of a dead carrier pigeon in a fireplace in Bletchingley, Surrey, pigeon fanciers absolutely lost the plot Did the little red capsule contain a tantalizing top secret message? It took 26 years before anyone in government could be persuaded to take a look at the coded message

I wonder why they waited so long? But, in 2010, experts at Bletchley Park, a museum that was the headquarters of British Intelligence's codebreakers during World War II, finally checked it out Inside the capsule was the original encrypted message—27 groups of five letters with some numerals at the end—written on a scroll the size of a rolling paper But even Britain's top code-breakers were left stumped by the message, saying they couldn’t decode it

So until a World War II code book is found with a proper key, it seems the brave pigeon has taken his mysterious secret to the grave NUMBER 4 FIVE ROOM PUZZLE Some of you might think the Five Room Puzzle is pretty simple to solve, but in reality, it’s impossible The challenge it poses is some variation on the following: to cross each ""wall"" of the diagram with a continuous line only once You can start anywhere you’d like and end anywhere you’d like

I challenge you to have a go and try it for yourself But trust me, before long you’ll be pulling your hair out wondering why it’s impossible to pass through all sixteen line segments without crossing through at least one of them more than once Here’s an attempt I made earlier: I manage to follow the continuous line rule, but I also fail to cross two line segments Before it drives you completely insane, there are ways to bend the rules You could draw one of your lines along one of the segments or through a corner where two segments meet

But neither of these solutions reaaally count as solving the puzzle Besides, nobody likes a cheater NUMBER 3 THE DORABELLA CIPHER When English composer Edward Elgar wasn’t busy creating orchestral masterpieces, he enjoyed writing coded letters One such letter that has been puzzling the minds of cryptographers for more than a century is the Dorabella Cipher, written by Elgar in 1897 to his lady-friend Dora Penny

The letter consists of 87 characters spread over 3 lines, with each symbol consisting of 1,2 or 3 semicircles oriented in one of 8 directions Confused much? There’s a reason why this alleged love-letter still remains unsolved In 2007, the Elgar Society tried to crack the code once and for all through a public competition A number of entries were received but none were deemed satisfactory Even Dora Penny revealed in her 1937 memoir that even she hadn’t been able to read the message

What a letdown However, in July 2016, a man named Mark Pitt claimed he had managed to decipher most of the letter He believes the first section of the cipher has instructions on how to unlock the middle section – which apparently is a previously unheard score from one of Sir Elgar's works Salut D'Amour We better watch this space… NUMBER 2 FENN TREASURE In 2010, art dealer Forrest Fenn made two trips to the Rocky mountains and set in motion a real life treasure hunt

He hid a bronze, Romanesque chest filled to the brim with gold coins, gold nuggets, and gems, which as a whole, is said to be worth in the region of $3 million The top secret location is somewhere in the massive mountain range, but no one knows where Fenn left 9 hints to the chest's location in one of his poems in his book ‘The Thrill of the Chase’, which advises the reader to ""begin it where warm waters halt"" In the years since he hid the treasure, thousands of people have set about on missions to find it Some have even claimed to have found it, but no one has provided any evidence to Fenn to support their claim

Of the 9 clues, Fenn has confirmed four of them have been solved and that searchers have been within 60 meters of the treasure So damn close However, as of 20 August 2016 Fenn has stated that to his knowledge it is still not found Anyone fancy a treasure hunt this weekend? NUMBER 1 VOYNICH MANUSCRIPT Few encrypted texts are as mysterious as The Voynich Manuscript, a book which dates back to the 14th or 15th century, written in a language that no one in the world understands

The manuscript's 246 calfskin pages, filled with zodiac symbols, astrological charts, illustrations of medicinal herbs, and drawings of naked women were potentially meant for alchemy or medieval medicine, but no one knows for sure Though it has been examined by cryptologists around the world, not a single section of the Voynich Manuscript can be satisfactorily deciphered Certain parts of it resemble European alphabets, but largely the language remains unknown William Friedman, one of the 20th century's greatest cryptographers, couldn't figure it out and suspected Voynich was a constructed, artificial language Friedman wasn’t the only person to question the text’s credibility, German computer scientist Klaus Schmeh also claimed it was a hoax

But no one can prove these claims So does the Voynich Manuscript contain secret knowledge, or is it a mere hoax? The jury is still out on this one So that was 10 Puzzles That Can’t Be Solved…do you think you’d be able to crack any of them? If you found this video interesting why not check out 10 Reasons Not To Trust Your Senses As always, thanks for watching…bye!

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