When the apocalypse finally arrives, those with the booksmarts will be the upperymen. Maybe somebody you know will be the readerwriter and maybe somebody you know will learn how to make the brandywine and maybe you’ll have a bakerman among you but who will be the mather?
The mather will be the one with the Slide Rule watch from Caliper[1], and friends, the mather can be you. This mechanical watch runs a Miyota 82S0 automatic movement and features a unique slide rule bezel that lets you multiply and divide even if all electric everywhere goes dead shapes and you and your tribe have to hide from the Face Eaters in an old mall.
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How does it work? To multiply, for example, align the first number to the first arrow and “find the second number on the same ring as the arrow and read across to find the result.” Division is a similar process. Caliper[2] has outlined the instructions here and the watch can also manage currency conversions and unit conversions.
The watch costs $299 for early birds and the team is raising $50,000 on Kickstarter[3]. They plan on shipping in February 2018 but I saw a working model complete with circular slide rule and was very impressed. The big circular slide rule they’re shipping with the watch is a great conversation piece for your desk and, if you’re an engineer or someone who wants to get their smartypants on at the market house in Dead Horse Bay, Brooklyn, then feel free to pull back your ragged sleeves and show the dumbsters what a mather you are and how easy pie it is for you multiplicate two numbers...
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