Tagged With ink

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Video: Here's a neat video showing ink being injected into the "yolk sac artery of 72 hour-old chick embryo to visualise the beating heart and the vasculature". It's from Nikon's Small World in Motion competition which is always a great source for videos that reveal the previously unseen. Watching the ink spread throughout the yolk in this video shows how it's all connected.

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Video: I love to watch someone write with a fountain pen. It tickles my neck to hear the strokes and see the trail it leaves. This video, however, shows a fountain pen writing a little differently. It's writing with water. It's like magic seeing the ink of the fountain pen instantly flow through the capillaries of the water.

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Smarter Every Day takes an in-depth look at something super cool: removing tattoos with the help of lasers. The science behind it is fascinating, all the zapping lasers do is basically break down the bigger ink blobs inside your skin and let your body's white blood cells and liver take care of the rest of the removal process.

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If you ever wondered what getting a tattoo feels like, just watch this super slow motion video showing up close shots of the tattoo needle relentlessly stabbing people's skin over and over again so that the ink sets underneath. It's hypnotic and rhythmic actually, if you're the type to enjoy seeing skin bounce up and down like jello and like to think about pain and your own mortality every now and again.