Polymer absorbs water and expands. It has almost the same refractive index as water and appears invisible.The polymer is Sodium PolyacrylateRead more about The Refractive Index and see other awesome ‘invisibilty GIFs’ here
Second chance Sunday (a day late).
High-five for open minded people
this is cute and also observe: sometimes people aren’t being deliberately close-minded and douchey about issues like sexuality etc. ok sometimes they just need somebody to patiently and politely explain things to them
Dear Social Justice Bloggers
I love how the guy smiles like he’s had a revelation in that last .gif.
Like “oh holy shit yo, I just got served”
anytime a guy says “that’s what she said” always reply with “not to you”