One of France’s oldest science museums, the Ampère Museum, has just revealed a treasure hidden in its reserves: the only complete and authentic version of the Einstein-de Haas experiment, a rare experimental work published by Albert Einstein himself. This extraordinary discovery, the result of research by Alfonso San Miguel, a researcher at the Institut Lumière […]
Devices
Posted inCulture, Science
How the Nocturnal Works: the Device that allowed Sailors to tell Time in the Dark (Video)
A nocturnal is a device used to determine local time based on the relative positions of two or more stars in the night sky. Sometimes called a horologium nocturnum (nighttime timepiece) or nocturlabe (in French and occasionally used by English writers), this tool is related to the astrolabe and sundial. Typically constructed of materials like […]
