cool

What's cool to you might not be cool to the next person, so make sure you really have a good idea what is in, and what is out.

cool design floating hot tub Image lake - 5884164352

Floating Hot Tub WIN

bikes cool science - 85328385

This Real-Life Hoverbike Looks Awesome As Long As You Don't Cut Your Legs Off

butterfly cool Image insect mother nature ftw nature transparent wings - 5174838272

Mother Nature FTW: Transparent Wings WIN

cool jetpack science is rad Video - 20486913

Martian Jetpack WIN

The flight of the year drone flying video

Man's Drone Flying Skills Are Superhuman

cool knife rocket science win - 84600065

Watch This Rocket Knife Absolutely Destroy This Toy Car — You Heard Correctly: Rocket Knife

guitar cool Music surfing Video - 56984065

Crazy Skills of the Day: Guy Plays His Guitar While Surfing

cool ocean science Video - 71240193

Watch This Breathtaking Video of Deep Sea Creatures

cool illusions Image water - 4724975872

This Hurts My Brain WIN

cool star wars water - 84052481

Battle of the Day: Fans Recreate Star Wars Speeder Bike Fight in Real Life on Water

GIF of a home-made lightsaber that is being demonstrated to cut paper with it's powerful beam.

DIY Lightsaber Can Destroy Stuff!

cool reverse Video water waterfall - 21863169

Reverse Waterfalls WIN

1098006 cool hawk Image mother nature ftw playing - 4844513536

Playing with Tennis Ball WIN

cool slow motion pain - 84127489

Sequel of the Day: Watch a Soccer Ball Hit This Dude’s Face in Super Slow Motion, Again

collection of pictures worth more than 1000 words thumbnail includes two pictures including one of two bears hugging in water and another of an owl camaflauging against a tree

Pictures Worth More Than 1000 Words (20 images)

Mariel Ruvinsky

cool Mountain Bike gifs win - 8166841600

Gif of the Day: How to Park a Trial Bike