You Can Now Print 3D Replicas of Einstein's Childhood Toys

Open Einstein
Open Einstein

For children, playtime is an essential part of cognitive development. Now, you can give them toys that befit their genius: 3D replicas of the ones that Albert Einstein himself played with.

The LEGO Foundation, Unilever, and IKEA have launched Open Einstein, a site where you can download a 3D printing kit that allows you to make exact replicas of the wooden blocks the Nobel Prize-winning physicist played with during his childhood in Germany. "Play empowers children to create and learn for the rest of their lives," the site declares. "It is a fundamental right for all children."

The 3D printing kit provides designs for 36 toy blocks of various sizes and shapes. Einstein's wooden boxes of blocks, made by the German company Anker-Steinbaukasten, are currently held by a collector named Seth Kaller. (According to his website, you can buy them if you have $160,000 on hand.)

A dark image labeled 'Open Einstein' with wooden blocks in the background
Open Einstein

The 3D printing kit contains model instructions for only a fraction of the 160 blocks in the original set, which Einstein reportedly used throughout his childhood to erect complex structures at home. He wasn't the only famous fan of the toys: Frank Lloyd Wright, Buckminster Fuller, and other notable creatives played with the same blocks.

If you're looking for a particularly erudite toy to nurture your child's mind, blocks—whether Einstein-related or not—are a pretty good choice. The National Association for the Education of Young Children says that playing with blocks can enhance problem-solving skills, fine-tune motor skills, and boost creativity.

Your child may never come up with world-changing scientific theories, but if nothing else, hopefully the set will impart some of the genius's sense of creativity. Or at least his delightful playfulness.

This Caturday, Watch Two Kitties Duke It Out in the World’s Oldest Cat 'Video'

VladK213/iStock via Getty Images
VladK213/iStock via Getty Images

Yes, Thomas Edison’s invention of the first commercially successful light bulb indisputably altered the landscape of modern technology. But was it really his most important contribution to the world as we know it? This first-ever “cat video,” shot in his Black Maria Studio in New Jersey, suggests the answer is "No.”

In the 20-second short film from 1894, two cats bedecked in boxing gloves and harnesses duke it out inside a tiny ring. According to the Public Domain Review, the cat-thletes were members of Professor Henry Welton’s touring cat circus, which also featured cats riding bicycles and doing somersaults.

The film’s subject matter is actually pretty on par with the level of eccentricity reached in Edison’s other early recordings, which weren’t always animal-friendly. Atlas Obscura reports that he electrocuted an elephant, filmed a trapeze artist undressing, and also captured the first copyrighted film, “Fred Ott’s Sneeze.” In it, Fred Ott sneezes.

The decision to film a couple of kitties seems oddly prescient in the wake of today’s internet culture, where viral cat videos reign supreme. But if you’ve studied ancient Egypt even a little, you know that 1894 was hardly the beginning of our obsession with fascinating felines.

Hopefully, you’re not forcing your own cat to entertain the neighborhood with boxing matches, but are you treating her as well as you could be? Find out the best way to pet a cat here.

[h/t Atlas Obscura]

15 Jokes From the World's Oldest Jokebook

Images: iStock. Collage: Lucy Quintanilla, Mental Floss.
Images: iStock. Collage: Lucy Quintanilla, Mental Floss.

The oldest recorded joke—a lowbrow Sumerian quip stating "Something which has never occurred since time immemorial; a young woman did not fart in her husband's lap"—dates back to 1900 BCE, eking out a pharaoh wisecrack from Ancient Egypt by a solid three centuries.

But to pilfer one of the oldest jokes in the book means dusting off the Philogelos (meaning "Laughter Lover"), a Greek anthology of more than 200 jokes from the 4th or 5th century. From gags about dunces to jests at the expense of great thinkers, here are 15 jokes from the oldest existing collection of jokes, as translated by now-retired classical languages professor William Berg.

1. A student dunce goes swimming

comedians
Art and Picture Collection, The New York Public Library // Public Domain

"A student dunce went swimming and almost drowned. So now he swears he'll never get into water until he's really learned to swim."

2. An intellectual visits a friend

ancient dancers
Art and Picture Collection, The New York Public Library // Public Domain

"An intellectual came to check in on a friend who was seriously ill. When the man's wife said that he had 'departed,' the intellectual replied: 'When he arrives back, will you tell him that I stopped by?'"

3. The miser's will

ancient roman theater masks
Art and Picture Collection, The New York Public Library // Public Domain

"A miser writes his will and names himself as the heir."

4. The sharp-witted spectator

ancient theater
Art and Picture Collection, The New York Public Library // Public Domain

"A sharp wit observes a slow runner: 'I know just what that gentleman needs.' 'What's that?' demands the sponsor of the race. 'He needs a horse, otherwise, he can't outrun the competition!'"

5. The hot-headed doctor

ancient roman theater masks
Art and Picture Collection, The New York Public Library // Public Domain

"Consulting a hotheaded doctor, a fellow says, 'Professor, I'm unable to lie down or stand up; I can't even sit down.' The doctor responds: 'I guess the only thing left is to hang yourself.'"

6. The cowardly sailor

treater rehearsal
Art and Picture Collection, The New York Public Library // Public Domain

"A coward is asked which are safer, warships or merchant-ships. 'Dry-docked ships,' he answers."

7. The jealous landlord

ancient roman theater masks
Art and Picture Collection, The New York Public Library // Public Domain

"An envious landlord sees how happy his tenants are. So he evicts them all."

8. The drunk barkeeper

ancient roman theater masks
Art and Picture Collection, The New York Public Library // Public Domain

"A drunk opens a bar, and stations a chained bear outside."

9. The guy with bad breath

ancient comedian
Art and Picture Collection, The New York Public Library // Public Domain

"A guy with bad breath decides to take his own life. So he wraps his head and asphyxiates himself."

10. The wife-hater

ancient roman theater masks
Art and Picture Collection, The New York Public Library // Public Domain

"A wife-hater is attending the burial of his wife, who has just died. When someone asks, 'Who is it who rests in peace here?', he answers, 'Me, now that I'm rid of her!'"

11. The luckless eunuch

ancient roman theater masks
Art and Picture Collection, The New York Public Library // Public Domain

"A luckless eunuch got himself a hernia."

12. The husband with halitosis

Roman woman holding a mask
Art and Picture Collection, The New York Public Library // Public Domain

"A husband with bad breath asks his wife, 'My dear, why do you hate me?' She give him an answer: 'Because you kiss me.'"

13. The gluttonous gifter

ancient roman theater masks
Art and Picture Collection, The New York Public Library // Public Domain

"A glutton is marrying his daughter off to another glutton. Asked what he's giving her as a dowry, he responds, 'She's getting a house with windows that look out onto the bakery.'"

14. Too tired to care

ancient roman theater masks
Art and Picture Collection, The New York Public Library // Public Domain

"Two lazy-bones are fast asleep. A thief comes in, pulls the blanket from the bed, and makes off with it. One of them is aware of what happened and says to the other, 'Get up! Go after the guy who stole our blanket!' The other responds, 'Forget it. When he comes back to take the mattress, let's grab him then.'"

15. The forgetful teacher

ancient roman theater masks
Art and Picture Collection, The New York Public Library // Public Domain

"An incompetent teacher is asked the name of Priam's mother. At a loss, he says, 'Well, we call her Ma'am out of politeness.'"

An earlier version of this story ran in 2014.

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