- Sustainable
£19.99Plus shipping
Sacks spiral on Water bottle with straw
Stick this water bottle in your backpack, and you’ll quench the thirst when it hits you. It’s a trendy companion that can also be attached to your bag with a snap hook. What's more, it comes fully equipped with a hinged mouthpiece and straw.
- With screw cap with grip eyelet
- Volume: 600 ml
- Material: stainless steel
- Hand-washing recommended
- BPA-free
- A - Length in in
- B - Width in in
| Size | A (in) | B (in) |
|---|---|---|
| 600 ml | 8.66 | 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: maths, infinite, maths teacher, arithmetic, Mathematics, number, teacher, 1994, nerd, prime, chaos, Infinity, spiral, coordinates, cryptography, mathematician, crypto, Archimedes, geek, Polar coordinates, 4711, circle, Prime number, number theory, Robert Sacks
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