The technology of Pilot FriXion erasable ink pens

My first encounter happened during a discussion with a Japanese customer at my previous work-place. He was writing down all the minutes himself and in between, I would see him erasing with the pen. I was amazed! It was better than even a pencil as it left no trace at all! Since then, I have been curious to find out how this …

Seek and Geek – 1 : Syringe Pumps

Make your own syringe pumps! http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0107216   Traditionally, these cost upwards of $1000. Now, it can be made in-house with easy to manufacture, readily available materials for $200 or less!