Did you know 1

Portal:Physics/Did you know/1

Gold leaf processing at a workshop in Kanazawa, Japan
Gold leaf processing at a workshop in Kanazawa, Japan

Did you know 2

Portal:Physics/Did you know/2

The Andromeda Galaxy
The Andromeda Galaxy
  • ... that every year, the Moon moves 3.82 cm away from Earth?
  • ... that Femto satellites are the smallest types of satellites, and the Kalam SAT is one of the smallest Femto satellite ever made?

Did you know 3

Portal:Physics/Did you know/3

Neptune
Neptune
  • ... that Neptune was discovered by its gravitational pull on Uranus?
  • ... that Aristotle's ideas of physics held that because an object could not move without an immediate source of energy, arrows created a vacuum behind them that pushed them through the air.

Did you know 4

Portal:Physics/Did you know/4

  • ... that nuclear fusion reactions are probably occurring at or above the sun's photosphere; it is a process called solar surface fusion.
  • ... that a touch flash releases about a billion photons a second far less than produced in a particle accelerator?

Did you know 5

Portal:Physics/Did you know/5

Mock mirage of the setting sun
Mock mirage of the setting sun
  • ... that your watch would run slower when orbiting a black hole than it would on Earth?
  • ... that homing pigeons wouldn't be able to navigate on Mercury because the planet has no magnetic field or atmosphere?

Did you know 6

Portal:Physics/Did you know/6

False-color photo of the Sun as seen in ultraviolet light
False-color photo of the Sun as seen in ultraviolet light
  • ... that neutron stars are so dense (10¹⁷ kg/m³) that a teaspoonful (5 mL) would have ten times the mass of the total human population?

Did you know 7

Portal:Physics/Did you know/7

A laser beam used for welding
A laser beam used for welding

Did you know 8

Portal:Physics/Did you know/8

Albert Einstein's official portrait after receiving the 1921 Nobel Prize in Physics
Albert Einstein's official portrait after receiving the 1921 Nobel Prize in Physics

Did you know 9

Portal:Physics/Did you know/9

Jupiter
Jupiter
  • ...that the impact of a raindrop would be fatal if not for the property of fluid flow known as terminal velocity?

Did you know 10

Portal:Physics/Did you know/10

A section of the Large Hadron Collider
A section of the Large Hadron Collider

Did you know 11

Portal:Physics/Did you know/11

A moonbow over Kihei, Maui, Hawaii, US
A moonbow over Kihei, Maui, Hawaii, US
  • ...that a moonbow, or night-time rainbow, can be seen on strongly-moonlit nights?

Did you know 12

Portal:Physics/Did you know/12

Heike Kamerlingh Onnes (1913, published in 1914)
Heike Kamerlingh Onnes (1913, published in 1914)

Did you know 13

Did you know 14

Did you know 15

Did you know 16

Did you know 17

Did you know 18

Did you know 19

Did you know 20

Did you know 21

Did you know 22

Did you know 23

Did you know 24

Did you know 25