How I feel when I make a good post Tuning fork touching water surface (x post r/gifs) Dropping a cannonball into mercury Avian-Inspired Grasping For Quadrotor Micro Aerial Vehicles (x post r/gifs) My 80's crush 24 Hz sound + 24 fps camera + water = magic Slow-Motion Welding Droplet bouncing on a vibrating fluid bath Sulphur Hexafluoride 6.12 g/L a² + b² = c² Sometimes space junk (from Apollo 12) gets recaptured by Earth's orbit The apexes of all possible parabolic trajectories for a given initial speed all lie in an ellipse of invariant eccentricity. Paper clips on an electromagnetic train Polymer beads with a refractive index nearly identical to water are almost invisible when submerged. This is cooooool Hydrophobic sand in water Watch as he wiggles the sled in midair. Is this similar to what cats do to right themselves? Star and Black Hole nearly collide Electrical Treeing Dancing in the Housing Office Vortex ring collision Laminar Flow Snowfall in Connecticut Martin Freeman's reaction upon hearing "Downton Abbey" won best series over his show "Sherlock" at the National Television Awards Photo Gif of a modern Flapper flappin'