All Elementary Particles Exhibit Wave-Particle Duality Fact
All elementary particles exhibit wave-particle duality, acting as both a particle and a wave.
Physical Sciences
The Physical Sciences are branches of science that study non-living systems including Astronomy, Chemistry, Earth Science, and Physics.
Visible Light is Electromagnetic Radiation Fact
Visible light is a range of wavelengths in the electromagnetic spectrum visible to the human eye (wavelengths of about 390 to 700 nm).
What is Light?
We explain “light,” both as electromagnetic radiation within a visible portion of the electromagnetic spectrum, and as electromagnetic energy carried by photons.
At Its Core, Chemistry is Physics Fact
On a fundamental level, chemistry can be explained by physics. The atoms that make up the periodic table elements are themselves made of quantum particles.
Nature Abhors a Vacuum Fact
Aristotle once postulated “horror vacui” (Nature Abhors a Vacuum). It turns out nature really can’t stand a perfect vacuum.
Sound Always Travels Slower than Light Myth
Sound usually travels slower than light, but not always. Under normal conditions, light moves roughly a million times faster than sound, but under the right conditions sound can travel faster than light.
Toilets Flush Backwards in Australia Myth
Despite the Coriolis Effect, toilets don’t flush backwards in Australia (or on the other side of the world, or in different hemispheres, or on one side of the equator).
The Sun Can Reverse its Magnetic Field Fact
The Sun’s magnetic field “flips” in cycles, with its field regularly weakening and strengthening, and reversing polarity roughly once every eleven years.
Carl Sagan Assembled the First Physical Message Sent into Space Fact
Carl Sagan and NASA gained popularity when the longtime space program scientist created the Pioneer plaque and the Voyager Golden Record to be sent to space.
Scientists Thought the First Atom Bomb Might Destroy the World Fact
When the plutonium bomb to be dropped on Nagasaki was tested, the Manhattan Project scientists made a bet on whether or not it would destroy the world.