Tag Archives: Puzzlin’ fool

New Rubik’s Speed-Solving Record: Blink and You’ll Miss It!

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Clever, quick-fingered solvers are constantly pushing the boundaries of what can be accomplished with a Rubik’s Cube.

I’ve seen the world’s most complex Rubik’s-style cube being solved, a building turned into a solvable Rubik’s Cube, and a Rubik’s Cube solved one move at a time by strangers across the globe.

I’ve even seen a Rubik’s Cube solved during a skydive.

But, amidst all those amazing achievements, there has been something lurking in the background. Over the years, there has been an escalating cold war in the world of Rubik’s Cubes.

The two sides? Human and machine.

The battlefield? Speed-solving.

Human speed-solvers often count their records in seconds, not minutes. The current record for a 3×3 cube solve is 3.05 seconds!

But speed-solving devices are often so fast that they end up ripping the cube to pieces instead of completing the solve. So puzzly designers must carefully walk a tightrope between speed and power in order to challenge speed records for mechanical solvers.

The record for an automated solve is an astonishing 0.305 seconds – ten times faster than the fastest human solve! — set by Mitsubishi Electric engineers in Japan in May 2024.

Or it was, until a few days ago.

The new Guinness World Record for “Fastest robot to solve a puzzle cube” belongs to Purdubik’s Cube, the robot created by Junpei Ota, Aden Hurd, Matthew Patrohay, and Alex Berta, a team of students from Purdue University’s Elmore Family School of Electrical and Computer Engineering.

The new record? 0.103 seconds.

It’s hard to fathom how quick that is. Thankfully, one of Purdubik’s Cube’s creators has an apt analogy:

“We solve in 103 milliseconds,” Patrohay said. “A human blink takes about 200 to 300 milliseconds. So, before you even realize it’s moving, we’ve solved it.”

Utilizing a combination of color recognition and finely-tuned industrial-grade motion-control hardware — guided by algorithms written by the students themselves — Purdubik’s Cube carefully accelerates and decelerates its movements faster than the eye can see.

And despite the fact that a team of four college students smashed a record previously held by a billion-dollar corporation, they’re not done yet.

They aspire to solve a Rubik’s Cube with Purdubik’s Cube in less than a tenth of a second! I don’t know how they expect to shave a few milliseconds off their time to achieve their goal, but you know what? I fully believe they can do it. In less than a year, they set their goal of a new Guinness World Record and achieved it.

Who knows what they’ll achieve next?

[You can read the full story of their journey from the initial goal to their world record success on the Purdue Engineering website. I highly recommend it!]

A Secret Egyptian Code Hiding in Plain Sight?

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Thirty-three hundred years ago, an obelisk was carved in ancient Egypt. It stood at the entrance of the Luxor temple as part of a pair.

Almost two hundred years ago, the obelisk was given to France by Egypt’s ruler. It stands at the Place de la Concorde in Paris, thousands of miles from its sibling in Egypt.

Two centuries of students and tourists and philosophers and photographers and scholars gazing at the obelisk, reading the intricately carved hieroglyphs.

Hieroglyphs were traditionally written in columns reading downward. But there are also left and right directional markers, marking the beginning of a sentence, often indicated by which direction a human or animal figure is facing.

As you can see, the placement of different symbols allows them to combine with others, both vertically and horizontally, to create different words or concepts.

And whomever did the inscriptions on the obelisk used the multidirectionality of the language to conceal messages in plain sight.

Even after centuries of study, it took a keen eye and some lucky conditions for Egyptologist Jean-Guillaume Olette-Pelletier to uncover the hidden messages.

You see, the obelisk was surrounded by scaffolding as part of its renovations, and this allowed Olette-Pelletier to get up close to the highest point of the obelisk and observe the inscriptions rarely seen by casual observers.

The hidden messages required him to read the hieroglyphs horizontally rather than vertically, and at a particular angle as well. This three-dimensional study of the inscriptions, known as crypto-hieroglyphs, allowed the creator to conceal messages that didn’t simply sing the praises of Pharaoh Ramses II, but actually point to his rulership as divine right, claiming his power came directly from the gods themselves.

It was propaganda, intended to reinforce the pharaoh’s status in the eyes of the elites of Egypt, cloaked in messages for the common people. (One of the messages, for instance, could only be seen by those arriving by boat, a privilege available only to the elite.)

For example, from an article in EuroWeekly News:

“People had not noticed that under [one of the drawings] of the god Amun, there is an offering table. This allows us to discover a sentence where no element is missing: an offering that the king gives to the god Amun,” Olette-Pelletier told BFMTV. Combinations of the newly identified inscriptions produce additional meanings in what’s called three-dimensional cryptography. In total, the Egyptologist identified seven encrypted messages across the obelisk’s various facades. He explained that the enigmatic text can only be understood by walking around the monument.

Imagine the creator of the obelisk, carving with specific angles and readers in mind, an iconic gift to the pharaoh… only for the code to be cracked thousands of miles away, thousands of years in the future, by a different kind of elite.

The puzzly kind.

That’s amazing.

Optical Illusions Made of Wood!

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Learning about the science behind optical illusions has been one of my favorite parts of this job. More and more, scientists are figuring out WHY optical illusions work on us, utilizing combinations of color, shadow, perspective, and how we process information to create impossible images, illusions of movement, and visual wonders to challenge how we interpret the world.

And I love seeing how people have responded by pushing the boundaries of what we can do with optical illusions. Earlier this year, I wrote about the glitch quilt, a fascinating and eye-wobbling work of brain-melting color play and meticulous execution.

In a world increasingly reliant on computer assistance and push-button AI-fueled shortcuts, there’s something both comforting and immensely charming about glitch quilts being handmade.

So it should come as no surprise to you, fellow puzzler, that I was overjoyed to discover another example of handmade optical illusion crafting… this time, made of wood.

This is the end grain optical illusion cutting board. It appears to bend and swirl and warp as you stare at it, despite being made of straight lines and alternating colors.

Although I discovered it through Obsessed Woodworking, this particular piece is the handiwork of Ryan Hawkins, who has a woodworking YouTube channel where he detailed the elaborate step-by-step process involved in creating this sturdy perspective-twisting delight:

Ryan, to his credit, pointed to another woodworking content creator who supplied the design plans for the cutting board: mtmwood.

mtmwood has numerous examples of handcrafted visual tricky, employing tessellations and tricks of perspective to fool the eye into following intricately laid patterns, and my favorite is easily one that they call the butterfly board:

Employing a similar technique to the optical illusion cutting board, but managing to shape four twisting patterns, is truly impressive and a testament to the hard work, skill, and technique required to bring these stunning pieces to life.

And, as you might expect, this sent me down a YouTube rabbit hole looking for other wooden optical illusions, and there are plenty to choose from.

This is a nicely executed attempt at showing dimension and depth to get us started.

Whereas this one walks us through all the stages of preparing to take a familiar optical illusion from a drawing to a three-dimension form:

I confess, I watched this next one three times in a row, trying to spot the seams:

I could go on and on, but honestly, instead of closing out on the illusions, I’d like to end this celebration of creativity and artisanship with a simple photo showing the preparation and painstaking work it takes to bring these pieces to life.

This is the optical illusion cutting board in its embryonic stage, a lineup of different pieces and thicknesses of wood. All marked and cut with precision, waiting for the next step in assembly. I stare at this picture, and consider every mark, every cut, every spin of the table saw’s blade as the creator runs piece after piece after piece through those whirling metal teeth, each of them perfect and crisp.

It’s a remarkable thing to ponder, and a joy to watch in both progress and in final realization. I’m glad I could share that with you today.

Happy puzzling, everyone!

The Board Game Legacy of Kurt Vonnegut

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Mystery novelist Agatha Christie was an avid surfing enthusiast. Abraham Lincoln is in the National Wrestling Hall of Fame and only suffered a single defeat in 12 years. We wouldn’t have Wi-Fi or Bluetooth without the scientific prowess of actress Hedy Lamarr.

It’s fascinating to learn unexpected facts about iconic figures from history that don’t necessarily jive with their most famous accolades.

For instance, did you know that celebrated writer Kurt Vonnegut made a board game?

Yes, nearly seventy years ago, after the less than stellar commercial performance of his novel Player Piano, Vonnegut attempted to create a third game to utilize the 8×8 checkerboard as effectively as chess and checkers did.

It was called GHQ, short for General Headquarters, and it was a tactical strategy game involving balancing your ground infantry and artillery forces with your airborne forces to capture your enemy’s headquarters.

In 1956, it was downright innovative, mixing wargame mechanics and multiple actions in a single turn. (This is commonplace today, but was quite revolutionary in games for the 1950s.) In today’s board game market, the initial run sold out, and now the game is carried by Barnes & Noble, and I have no doubt it’s performing well.

This would come as a shock to Vonnegut, as the game was rejected by publisher Henry Saalfield of the Saalfield Game Company. Vonnegut put the game away, and as far as his family knows, he never went back to it at all.

That historical context makes the game (and its companion booklet) a wonderful glimpse into Vonnegut as a creative mind.

We get his original notes — including rules for the game — as well as photos of the original game pieces from his prototype.

GHQ exists as a fascinating conundrum. How do you reconcile encountering a combat-focused game designed by someone famous for his antiwar sentiments?

A review of the game on Spacebiff had something interesting to say about this:

It’s also so very Vonnegut. Years before Billy Pilgrim manifested as his coping mechanism for the horrors he witnessed in the Ardennes and during the firebombing of Dresden, here he was designing a game that drew on his experience as a spotter for the 106th Infantry Division. It’s a game rooted in a particular military doctrine, one where most casualties were not inflicted by tanks or planes, but by distant cannons. While the game’s airborne units are flashy and threatening, it’s the roving fields of fire that shape this battlefield.

That, too, strikes me as the proper way to consider GHQ. Vonnegut’s antiwar stance crystallized as U.S. involvement deepened in Vietnam, and it’s natural to wonder if the older Vonnegut set aside GHQ not only out of disappointment with Saalfield’s lack of interest but also because its maneuvers and bombardments cut too close to the bone.

It’s impossible to separate the man from the art in this case. I can’t help but view this game as not only part of Vonnegut’s journey toward his rejection of warfare and wartime thinking, but also as a way for him to turn his knowledge and experience from wartime into something productive (and profitable) for his family.

It’s pragmatic, transformative, and a little bit sad in a way that feels so keenly Vonnegut.

I haven’t had a chance to play it yet, but I do have a Barnes & Noble gift card burning a hole in my pocket, so perhaps you’ll see a more thorough writeup on GHQ in the future.

In the meantime, what do you think of this curious discovery, fellow puzzlers? Does GHQ intrigue either the reader or the tactical gamer in you? Let us know in the comments section below. We’d love to hear from you!

A Rhyming Puzzle For You!

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One of my favorite memes is “You’ve heard of Elf on a Shelf, now…”

Inspired by the family-friendly surveillance toy that took the world by storm, this meme (which dates back to 2016!) gives you the format of “elf on a shelf” and sets you up with a little visual puzzle to solve.

The image above, for instance, gives you Shrek on a deck!

Image courtesy of Joe-_-King on Reddit.

And this one gives us Grogu on a snowshoe!

Now, my Photoshop skills are pretty much nonexistent, but my cluing skills are fairly sharp, so I’ve opted to create a bunch of clues for you.

All you have to do is come up with an “elf on a shelf”-style rhyme that fits the clue.

Ready? Here we go!

Grumpy person on a sofa

Golf helper in a rice field

Magical boy atop an aquatic mammal

Tucker or Turner on an award

Female scientist on a panel

Mythical creature on a pitcher

Alcoholic drink poured over Mr. Morris or Mr. Levi

Public defender on an excursion

Chewy candy at a steak/lobster restaurant

Food storage atop a crane

Ruse involving a pastry store

Greater attention to detail regarding a coup asea

Prodigious author atop a candy egg

Infectious agent atop an old thin writing surface

Distress call regarding a check

Building material atop a musician or a whale

Camel located in cafeteria

Ball of air atop a device in space

Plants growing on industrial devices

Guide to freedom atop a horse-drawn ride

A Gibb brother on a cleaning device

Famed magician atop a sandwich

Autocratic rule in the Iberian peninsula

Arthropod atop a city transport terminal

Sports official atop an ape

These last few are a little tougher, good luck!

French poet using federal health insurance

Correction for a stitch

My French brother atop ceramics

“The Wolf of Wall Street” star in Arab city

Old-fashioned person in a gory home office

How many did you get? Did any stump you? Let me know in the comments below!

A Game For Tax Day?

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It’s Tax Day today.

I know, that’s not the most joyful subject to choose for a puzzle and games blog.

But you might be surprised to learn there’s a game out there inspired by Tax Day.

It’s called The Taxman Game, but it’s also known by the names Tax Factor, Number Shark, The Factor Game, Factor Blast, Factor Blaster, or Dr. Factor. Phew! What a list.

It was created by mathematician Diane Resek in the late 1960s or early 1970s. It’s designed to help students practice their division and factorial skills.

In the single-player version of the game, you’re dealing with the taxman (played by the computer), while you play the tax payer.

Your goal is to choose a number, but the tax you pay is any remaining factors on the board. So, with the example board above, if you chose 18, you’d get 18 points. But the taxman would take 1, 2, 3, 6, and 9 (since 1×18, 2×9, and 3×6 all make 18).

With those numbers gone, you can only choose from numbers with factors remaining on the board. You pick, and again, the computer taxes you by claiming any factors remaining.

This continues until there are no legal moves left. When that happens, the taxman collects ALL of the remaining numbers on the board.

(There’s a two player version as well, where players alternate turns as the taxpayer and the taxman.)

Here was my attempt:

I chose 19 first, because it was the highest value prime number. The taxman only gets 1 as a tax.

I chose 10 next, since the taxman could only collect 2 and 5 from the board, which were lower numbers compared to my other options.

Next I chose 20, because with 10, 2, and 5 off the board, the taxman would only collect 4 points.

That put me at 49 to the taxman’s 12. Pretty good so far.

I chose 9 next, because 3 was the only option for the taxman.

Then I chose 18, because 1, 2, 9, and 3 were all off the table, so the taxman only got 6.

I chose 16 next, giving the taxman 8, then closed my choices with 14, giving the taxman 7.

My final score was 106 to the taxman’s 36.

Until that final rule kicked in.

All the unclaimed numbers went to the taxman. That’s 11, 12, 13, 15, and 17. 68 points!

So the final tally was 106 to 104. I BARELY edged out the taxman.

And that was my best effort!

As challenging as the game was, I really enjoyed it. It taxed my observational and math skills to keep ALL the factors in mind when selecting numbers, and trying to be strategic about the order in which I chose numbers.

And yeah, I’d still rather play this than do my taxes. What about you, fellow puzzler?