The entire wiki reimagined as a visual magazine with video discovery · Watch your interests come alive
The entire wiki reimagined as a visual magazine with video discovery · Watch your interests come alive
Artificial satellites move along curved orbits, rather than in straight lines, because of the Earth's gravity.
Artificial satellites move along curved orbits, rather than in straight lines, because of the Earth's gravity.
Rockets work by creating unbalanced high pressure that pushes the rocket upwards while exhaust gas exits through an open nozzle.
Rockets work by creating unbalanced high pressure that pushes the rocket upwards while exhaust gas exits through an open nozzle.
A bouncing ball photographed at 25 frames per second using a stroboscopic flash. In between bounces, the ball's height as a function of time is close
A bouncing ball photographed at 25 frames per second using a stroboscopic flash. In between bounces, the ball's height as a function of time is close to being a parabola, deviating from a parabolic arc because of air resistance, spin, and deformation into a non-spherical shape upon impact.
Rockets, like the Space Shuttle Atlantis, expel mass during operation. This means that the mass being pushed, the rocket and its remaining onboard fue
Rockets, like the Space Shuttle Atlantis, expel mass during operation. This means that the mass being pushed, the rocket and its remaining onboard fuel supply, is constantly changing.
Portrait of Isaac Newton, 1689
Portrait of Isaac Newton, 1689
Some of the figures added by Isaac Newton in his 1672 and 1681 editions of the Geographia Generalis. These figures appeared in subsequent editions as
Some of the figures added by Isaac Newton in his 1672 and 1681 editions of the Geographia Generalis. These figures appeared in subsequent editions as well.
Newton in 1702 by Godfrey Kneller
Newton in 1702 by Godfrey Kneller
A replica of the reflecting telescope Newton presented to the Royal Society in 1672 (the first one he made in 1668 was loaned to an instrument maker b
A replica of the reflecting telescope Newton presented to the Royal Society in 1672 (the first one he made in 1668 was loaned to an instrument maker but there is no further record of what happened to it).