The new Ooni Halo Pro Spiral Mixer is the brand's first stand mixer release, and it's designed to create "stronger gluten networks for better dough using its unique dual-kneading action." ...

Archimedes is the attested author of the first rigorous definition of pi, which he did by way of geometry, using polygons with ever-greater numbers of sides. By 150 CE, Ptolemy had the value of pi ...