Polaroid filter behaviour

Polaroid filter behaviour Read more »

Chemical Clock Reaction!

Chemical Clock Reaction! Read more »

What the Earth’s rotation is like during the Winter and Summer Solstice (X-post from /r/educationalgifs)

What the Earth’s rotation is like during the Winter and Summer Solstice (X-post from /r/educationalgifs) Read more »

Untying ropes Trick

Untying ropes Trick Read more »

Ring catch chain trick

Ring catch chain trick Read more »

Dry ice subliming in the sink.

Dry ice subliming in the sink. Read more »

Falcon 9 First Stage Landing | From Helicopter

Falcon 9 First Stage Landing | From Helicopter Read more »

Blowing up a Garbage Can with Liquid Nitrogen

Blowing up a Garbage Can with Liquid Nitrogen Read more »

Does anyone know what reaction is this?

Does anyone know what reaction is this? Read more »

Aerogel is a synthetic porous ultralight material. This chunk can balance on a post-it note

Aerogel is a synthetic porous ultralight product. This chunk can balance on a post-it note Read more »