Month: June 2011

Say I have this beaker of water and I decided to add – some tea from used teabag – baking soda in a quantity that won’t be solub le in this amount of water and stay at the bottom of the beaker – some terribly smelling coffee, hotels rarely provide…

If by looking at this picture you guessed that today’s episode is about vacuum, you’re totally right. To be precise, we will be talking about building a powerful vacuum pump.