Equations That Changed the World Steel Insulated Bottle desk This die-cast metal airplane model

This die-cast metal airplane model comes in 1:144 scale with plastic stand and is approximately 5 1/2 inches long with 7 3/4 inch wingspan

Published by the History Press

This interactive board book is sturdy enough for the most enthusiastic little explorer

You’ll see some familiar faces

Ball discovered a water-soluble form of the oil that could be dissolved in the bloodstream

Equations That Changed the World Steel Insulated Bottle desk This die-cast metal airplane modelRather than looking up part way through your proof to find once again that your coffee has gone cold, pour that precious brew into your fancy new math flask, and never have room temperature coffee again! Let yourself get lost in the elegance of your work and the beauty of the equations both on your page and on your flask. Wrapping around this brick red bottle, you'll find some of the most important, groundbreaking equations our world has known. Now go