Hitler unleashed the Night of the Long Knives, a ruthless purge that eliminated internal threats, silenced rivals and secured ...

The special relativity theory showed that velocity was purely relative, and from one point of view the same should be true of acceleration, yet physics seemed to show evidence to the contrary.

Some physicists think our reality is a kind of cosmic hologram, with space, time, and gravity as manifestations of a ...

Albert Einstein might be the daddy of all eggheads. But as his famous theory of special relativity turns 120, we tip our hats ...

The slower growth of gravitational wells and the accelerating expansion might share the same underlying cause.” In so many ...

Learn about the major world events and happenings, birthdays, and deaths that took place on June 30. Check what happened ...

1916: First day of the Battle of the Somme: the British Army suffers its worst day, losing 19,240 men. 1920: French tennis superstar Suzanne Lenglen beats Dorothea Chambers 6-3, 6-0 to win the ...

"This work is a step toward understanding how quantum mechanics and gravity work together, a major unsolved problem in ...

On this day in 1905 Albert Einstein published his paper introducing special relativity in a German physics journal. Entitled ...

HERE is a readable book, excellently translated, for which we have again to thank Mr. H. L. Brose. Though it is called an introduction to the theory of relativity and gravitation, it is more ...

These scientists may be lesser known than Einstein and Newton, but they made giant contributions to science, including astronomy, physics, chemistry and medicine. Isaac Newton once wrote, "If I have ...

Create a Physics World account to get access to all available digital issues of the monthly magazine. Your Physics World ...