Equations that Changed the World Metal Water Bottle

SKU: 008086
Equations that Changed the World Metal Water Bottle

Equations that Changed the World Metal Water Bottle

SKU: 008086
Regular price $39.95
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Rather 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 ahead and add your equation to the list.

With a textured design for a unique tactile experience, this flask will keep your drink hot or cold until you're ready to enjoy it.

Here's how it works: the space between the inner and outer flask wall is evacuated, creating a vacuum (well, a partial vacuum anyway...). In order for heat transfer to take place from the outside world into your cold drink, or from your hot drink to the outside world, it needs nearby molecules to excite. If there aren't many molecules nearby, as is the case in a vacuum, the heat's energy can't easily be passed along, so your drink stays close to the temperature it was when you put it into the flask for a really long time.

Simply stated, vacuums make great thermal insulation!

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