Watch a super hydrophobic knife cut through a water droplet

Black magic and sorcery and deals with the devil and breaks in The Matrix and possibly other dimensions. That's what super hydrophobic material is made out of. Like this super hydrophobic knife that just slices through a water droplet and cuts it in two. Are we really sure science can explain what my eyes are seeing? » 1/30/15 9:42pm 1/30/15 9:42pm

The cutting edge of a knife is totally invisible to the naked eye

That's a red blood cell on top of a knife's cutting edge. Now, we know we can't see a red blood cell with our naked eyes. It's too tiny. But we think we can see the cutting edge of a knife because it's there in front of you, right? No, you can't see it. To your eye, it's invisible, as Nikola Slavkovic explains in… » 12/23/14 8:34pm 12/23/14 8:34pm

The hypnotizing process of making a handmade steel knife

Damascus steel is a Middle Eastern type of steel famously known for its resilience and distinctive patterns. Its secret was a unique forging technique that has been long lost. Nowadays experts try to reproduce it and, while it may not be exactly the same process, watching them doing it feels like magic. » 12/02/14 6:49pm 12/02/14 6:49pm

Could The Fork and Knife Chopsticks Be the Only Utensil You Ever Need?

There's an eternal battle going on in my head on what's the greatest utensil in the entire world. I flip with a fork but then flop to chopsticks, I side with the spear and then Benedict Arnold to extended fingers. It's never settled. Different types of food require different utensils. If only there was one utensil to… » 9/05/13 11:00pm 9/05/13 11:00pm