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• Post #4402503

  A mechanical hand fan that operates without electricity, widely used during the late 19th and early 20th centuries. 📹 bhanuchichak

• Post #4191882

  A photographer captured photos of street cats and shared the results.

• Post #1808934

  The Logarithmic Spiral Gears is an extreme example of non-circular gear sets. It's based on the famous Fibonacci spiral and evokes the cross section of a nautilus shell with internal chambers

• Post #1518629

  The literal meaning of copycat

• Post #1518628

  Crown shyness is a phenomenon where the top branches of neighboring trees avoid touching to stay safe, leaving visible jigsaw like gaps between their crowns.

• Post #1104641

  Nothing special to see, just an army of piglets queuing up to dive.

• Post #777975

  Each sphere is moving in a straight line, but the final motion is circular

• Post #705660

  The fact that the bird instinctively builds this complex nest to mislead predators and hides its eggs deep inside for safety is fascinating.

• Post #705658

  Human three-dimensional ball

• Post #705657

  Owls are just bird hardware running cat software

• Post #705656

  How light behaves with different lenses

• Post #705655

  This window creates privacy using sand and natural gravity

• Post #705653

  A starfish walking on a beach. 📽: Zeb Hallock

• Post #705652

  Pure love in those eyes..🐈🐾😊❤️

• Post #705651

  Crocodile's eyes are an engineering marvel: They are protected by a third eyelid, can track different targets, are retractable in battle, and can even see at night. 📽: Smithsonian Channel

• Post #705650

  Tomás Vega invented a MouthPad, a groundbreaking device that enables people with paralysis to control digital devices using tongue, mouth, and head gestures.

• Post #705649

  That fresh smell after rain is called petrichor. When raindrops hit dry soil, they release plant oils and geosmin from bacteria, creating that rich, earthy scent.

• Post #705648

  In China they make denim from Abaca banana stalks from the Philippines. Whole process was mesmerizing! 😳

• Post #705647

  Onbashira, the 1,200-year-old festival that happens in the deep mountains of Japan.

• Post #705646

  The fountain that shows date and time. Czech Republic.

• Post #705645

  Nailed it!

• Post #705644

  How the keystone locks an arch together using compression, an ancient design still standing today.

• Post #705643

  People who say math is painful

• Post #647154

  A demonstration of Pascal's Law in action 🫡

• Post #423629

  When the TV Turns Off but the Dance Party Isn’t Over 🐶🤣

• Post #284319

  Have you ever seen rice growing? This 16-day timelapse shows you what happens to a grain of rice in water.