Financial industry of the United Kingdom Created 2024-09-22 Updated 2025-07-16
Economy of the United Kingdom Created 2024-09-22 Updated 2025-07-16
Earth's magnetic field Created 2024-09-19 Updated 2025-07-16
Water compass Created 2024-09-19 Updated 2025-07-16
We define a "water compass" as a compass made by placing a magnet floating on a water surface to reduce friction and allow it to align with the Earth's magnetic field. This is a common children's scientific experiment.
Video 1.
Bar magnet aligns with Earth's magnetic axis by KClassScienceChannel
. Source.
Compass Created 2024-09-19 Updated 2025-07-16
Torque Created 2024-09-19 Updated 2025-07-16
Social justice YouTube channel Created 2024-09-16 Updated 2025-07-16
Social justice Created 2024-09-16 Updated 2025-07-16
Bavaria Created 2024-09-15 Updated 2025-07-16
State of Germany Created 2024-09-15 Updated 2025-07-16
Falun mine Created 2024-09-15 Updated 2025-07-16
A hugely important copper mine in Sweden.
Selenium was initially discovered from ore from this mine.
Video 1.
Mining Area of the Great Copper Mountain in Falun, Sweden by World Heritage Journeys
. Source.
Video 2.
Falun mine tour by Focus by Sohaib
. Source. Not English, but we can see the tour images at least.
Sweden Created 2024-09-15 Updated 2025-07-16
Czech Republic Created 2024-09-15 Updated 2025-07-16

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