While most GIFs feature cats doing something stupid (their brains are approximately the size of an heirloom tomato), sometimes these infinite loops offer greater wisdom about the universe around us. Here are 10 of them that will blow your mind, especially if your brain capacity is comparable to a feline.

1. Braces aligning teeth


2. How to camouflage military helmets


3. How a warship works


4. Tattoo needle slowed down


5. How Superman’s cape gets its flow


6. How a gun fires a bullet


7. How a plane’s propeller engine works


8. How a sewing machine works


9. How grenades explode


10. How big action movie scenes are made