Ultrafiltration membranes used in pharmaceutical manufacturing and other industrial processes have long relied on separating molecules by size. Now, Cornell researchers have created porous materials ...

Coin Sorting Machine from Cardboard For this project you need cardboard, cutting knife and glue. The most important part - to measure needed coins and cut right holes :) If you like this video don't ...

You get more done when you stop trying to do it all. Prioritizing and spacing out your tasks will make you more productive.