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This original 1930 cloud-chamber photograph by Carl Anderson shows the track of a positively charged particle (thin track curving to the left) of electronic mass slowed down by passing upward through a lead plate (horizontal thick line).
Antimatter Discovery

In almost every science fiction movie ever made, you are bound to hear about antimatter –– matter-antimatter propulsion drives, whole galaxies made of antimatter, and so on. Antimatter has been used ...
Pluto and Charon are tough to see even with the best telescopes.
Pluto Is Way Out There

Long considered to be the smallest, coldest, and most distant planet from the Sun, Pluto may also be the largest of a group of objects that orbit in a disk-like zone of beyond the orbit of Neptune cal ...
Smoke demonstrates the wakes caused by this jet.
The Sound of Turbulence

Do you ever watch the water tornado that forms in a draining bathtub? Woe unto any rubber ducky floating aimlessly in the vicinity; the water's force will pull it down into the tornado. The center of ...

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