Big Bang
This fundamental force acts between charged particles and includes magnetism.
What is electromagnetism?
This natural force helps birds and sea turtles find their way during long migrations.
What is the Earth's magnetic field?
This star at the center of our solar system has a magnetic field that flips approximately every 11 years.
What is the sun?
A naturally occurring mineral that attracts iron and was used in early navigation.
What is a lodestone?
All fundamental forces, including electromagnetism, originated shortly after this event.
What is the Big Bang?
These two animals often align their bodies with Earth's magnetic field when grazing or resting.
What are cows and deer?
These dramatic eruptions from the Sun are caused by sudden releases of magnetic energy.
What are solar flares?
Ancient Chinese scholars used this magnetic tool to help sailors navigate.
What is a compass?
During the Electroweak Epoch, electromagnetism remained combined with this other force.
What is the weak force?
This medical imaging technology uses magnetic fields and radio waves to produce detailed images of the inside of the body.
What is an MRI machine?
This invisible region around Earth is shaped by the solar wind and protects us from harmful solar radiation.
What is the magnetosphere?
This Greek philosopher observed that lodestones attract iron, hinting at unseen forces.
Who is Thales of Miletus?
The Electroweak Epoch started about this many seconds after the Big Bang.
What is 10⁻³⁶ seconds?
These tiny particles can be guided by magnets to deliver medication directly to a specific part of the body.
What are magnetic nanoparticles?
This gas giant has the strongest magnetic field of any planet in the solar system.
What is Jupiter?
Arab scholars enhanced magnetism by rubbing this mineral against iron to create artificial magnets.
What is magnetite?
Magnetism often occurs because of this happening with electric charges.
What is electric charges in motion?
This specialized organ in sharks and rays helps them detect weak electric signals from other living creatures.
What are the ampullae of Lorenzini?
These dark areas on the Sun's surface are cooler than surrounding areas and are linked to intense magnetic activity.
What are sunspots?
This medieval discovery allowed precise long-distance navigation, accelerating trade and global exploration.
What is the magnetic compass?