Ursa major necklace | silver Chain_Upsell Paul Boyer first proposed the

Paul Boyer first proposed the rotational mechanism in the 1970s and 1980s

this pendant carries both structure and scientific weight

The scalpel is one of the few surgical instruments that hasn't fundamentally changed in two thousand years

The gold vermeil version of these drop earrings is the warmer counterpart of this pair

Pipette necklace | silver

Ursa major necklace | silver Chain_Upsell Paul Boyer first proposed theUrsa Major necklace sterling silver Ptolemy catalogued Ursa Major in the second century. The Big Dipper, its seven brightest stars, is the most recognised asterism in the Northern Hemisphere. Mizar and Alcor at the bend in the handle form a naked eye double used for centuries as a test of eyesight, and the two pointer stars in the cup aim straight at Polaris. The Science of Ursa Major Five of the seven Big Dipper stars belong to the Ursa Major Moving