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We tested the new Mathews ARC's speed and shooting characteristics. And then we answer: Is it better than the Lift X?

A friend recently messaged me to say his season was over followed by a picture of his crossbow with the left limb hanging by the string. I immediately thought about a similar experience I had a few ...

Earlier this month the Mathematics Institute at Uppsala University hosted a conference called Categorification in Algebra and Topology, clearly a theme close to our collective heart. As yet there are ...

Nov 3, 2025 Exploiting the secret 4-dimensional symmetry of the Kepler problem to think about the periodic table of elements in a new way.