- Sustainable
£21.99Plus shipping
Sacks spiral on Insulated Water Bottle
Whether you need a hot brew in the office or a cold one on your hike – this vacuum flask offers an elegant solution to quench your thirst with cold or warm drinks, anytime and anywhere. The double-walled stainless steel insulation ensures 24 hours of cool refreshment and 12 hours of hot drinks.
- Made of 100% stainless steel | capacity: 500ml
- Not suitable for dishwasher, freezer and microwave
- Please rinse by hand
- Bisphenol-A-free & phthalate-free
- A - Length in in
- B - Width in in
| Size | A (in) | B (in) |
|---|---|---|
| 500 ml | 10.43 | 2.76 |
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Created by inuqio
Sacks spiral
Created by inuqio
In the Sacks spiral, the values are plotted on an Archimedean spiral instead of the square spiral used by Ulam. With each full revolution, a perfect square is created.
Tags: prime number, maths, infinite, maths teacher, arithmetic, Mathematics, number, teacher, 1994, nerd, prime, chaos, Infinity, spiral, coordinates, cryptography, mathematician, crypto, Archimedes, geek, Polar coordinates, 4711, circle, number theory, Robert Sacks
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