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Topic: gears
Hypocycloid circular motion optical illusion
A circle made of points, shown here with small white balls, appears to roll around the inside edge of a larger circle, but is that what's really happening? File under: Cycloids, hypocycloids, and optical illusions. Th...
The Shoe-Tying Robot
What might five mechanical engineering students create with two motors, Arduino, and a $600 budget? How about a shoe tying machine? Winning an annual design competition with Japan's Meijo University, University of...
How the V&A recreated an 18th-century Mechanical Theatre
An 18th-century mechanical theatre was a technology of tricks and devices that changed scenes almost miraculously. With nothing of this scale from history surviving, watch as exhibition designer, Patrick Burnier and h...
A cube and a heart made from paper gears
Japanese paper crafter Haruki Nakamura designs mechanical paper karakuri-style animals and other paper automata. In the silent video above, he creates a cube made from 12 interlocking paper gears. Nakamura has also...
Tantalus Mackerel and a School of Fish automata
Automata and kinetic sculpture artist Chris Fitch uses engineering to create repeated moments in time. Named for the Greek mythological figure Tantalus, the fish-themed piece above, Tantalus Mackerel, follows a frustr...
Steel track rolling ball sculptures by kinetic artist Tom Harold
With thin rails of hand-bent and welded stainless steel, kinetic artist Tom Harold creates intricate marble tracks full of twists, turns, hinges, and swirls. Titled 'Tomfoolery,' the piece above was specially made for...
Cycling, a LEGO Technic creation by Yoshihito Isogawa
A round yellow track made from LEGO's circular gear rack, also referred to as four 'banana' gears, spins as a bicycle rider rides inside of it. This cycling creation was built by Japanese pro LEGO builder Yoshihito Is...
Automata artist Matt Smith and his Curious Contraptions
Born in 1965, Matt Smith spent about six weeks at the Falmouth School of Art before deciding he would rather spend his time "making silly things." He began making automata in 1980 and, in 1986, formed the Fourteen Bal...
A LEGO lawn mower man endlessly cuts the grass
A LEGO man mows his LEGO lawn, endlessly pushing a LEGO lawn mower. This kinetic sculpture was created by Jason Allemann, aka JK Brickworks, and can be powered by hand crank or motor. The illusion of grass-cutting...
Hand cranked mechanical singing birds by Bliss Kolb
This hand-cranked mechanical bird sings from a small leather bellows that whistles in two notes. A cam presses a lever that changes the pitch while other cams pull on strings that animate the bird's six movements as i...
Wooden domino row building machine
I first built a domino row building machine of this type in 1985 out of Lego, then built it again from memory in 2009 to make a video of it. The machine works by pushing a magazine full of dominoes forward along the t...
Three Gears are Possible
If you've ever seen an image of three gears all interlocking or an odd number of interconnecting gears, like those gears on some British two pound (£2) coins, you've seen a gear configuration that does not work. Howev...
A 3D printed mechanical laser show machine
Engineer, maker, and 3D printing enthusiast Evan Stanford has created a 3D printed, hand-cranked mechanical laser show machine that 'draws' with projected light. The drawn shapes are created with two rotating cams tha...
The Solitary Life of Cranes, a trailer
I originally got fascinated by the idea that there is almost another world above London (or any other city); yet most of us never look up to notice cranes or their drivers. The drivers, in turn, can see everything goi...
Turing Tumble, a DIY mechanical computer powered by marbles
The Turing Tumble, this small Pachinko-like puzzle game prototype, is also DIY mechanical computer. Programmer Paul Boswell designed the Turing complete toy to help kids (and adults) learn, see, and feel how computers...
The Universal Tea Machine, a huge mechanical ‘adding computer’
"The better your binary addition skills the better your cup of tea!" The Universal Tea Machine by Smout Allen is a huge mechanical 'adding computer' that mixes tea and mixes tea, a British tradition that became popula...
1953: Preserving and operating a wimmenumermolen polder mill
In a 250 year old polder mill in Noord Holland, Eric Zwijnenberg pumps excess water out of the area to avoid flooding. The drainage mill was first rented by his parents as a summer vacation house in 1953... After ...
The exceptional life of Benjamin Banneker
Born in 1731 on a farm in Baltimore, Maryland, Benjamin Banneker was an accomplished author, publisher, scientist, astronomer, mathematician, urban planner, activist, and farmer throughout his life. A free descendant ...
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