Entertaiment, Tech & Gadgets Hypnotic Ink Physics in 4K Slow Motion step son 9 years ago No Comments Facebook Prev Article Next Article In the first Ultra High Definition episode of The Slow Mo Guys, Gav and Dan inject coloured ink into a tank of water. Facebook Prev Article Next Article You may also like How Do Planes Fly? step son 9 years ago Cute Girl Teach You About The Smallest Thing In The Universe step son 9 years ago Astronomically Correct Twinkle Twinkle Song step son 9 years ago