Cartopédie › Inventions & Discoveries › Families

Physics: collectible invention cards

Own every card of: Physics.

Play now

Physics looks for the laws governing matter and energy. Measuring pressure, heat or light called for ever finer instruments. The 17th and 20th centuries were its two great turning points. Its results feed most of the other sciences and many technologies.

A few cards of the album

The start of their anecdote. The album's other cards are for you to discover in the game.

Aneroid gauge, by Lucien Vidi

Aneroid gauge

by Lucien Vidi

Passionate about the barometer, a physicist from Nantes sank his fortune into it and could carry on only thanks to a friend. His idea: a flat metal box sealed under partial vacuum, whose spring compresses or expands with the pressure of the air.

Photo: Saperaud~commonswiki (CC BY-SA 3.0)

Anti-reflective coating, by Katharine Burr Blodgett

Anti-reflective coating

by Katharine Burr Blodgett

On glass, one can lay oily coatings only a few nanometres thick. A physicist at General Electric made from them a glass with very low reflection and patented her method on 16 March 1938.

Photo: User:Mattes (CC BY-SA 3.0)

Backstaff, by John Davis

Backstaff

by John Davis

Observing the Sun with a quadrant is very hard because of its glare. So people stood beside the instrument and watched the cast shadow. That took two people and was hardly more accurate. This angle-measuring instrument succeeded the quadrant for finding a ship's position at sea.

Photo: Rama (CC BY-SA 3.0 fr)

One account, every theme. Free, no ads.

Play now

Other albums: Families

The whole Inventions & Discoveries theme