Tau Watch

ideal gift for a tech geek

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Is π wrong? If you know about Tau (τ), you don’t need us to explain it to you. A circle is one Tau (C=τr), and so is a clock face… If you know about Tau, you need this watch.

Why is it that nearly every time π appears in a formula it is preceded by a 2? Pi has been a key to mathematics at least since Archimedes, but it’s under attack from a valiant opponent: Tau. Equivalent to 2π, τ makes a more natural mathematical constant because it is based on the defining feature of a circle: the radius. This design is based on a unit circle diagram using dozenal notation and the τ circle constant (tau).

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