资讯

The Brighterside of News on MSN20 小时
Breakthrough theory links Einstein’s relativity and quantum mechanics
For over 100 years, two theories have shaped our understanding of the universe: quantum mechanics and Einstein’s general ...
Space.com on MSN21 小时
Did our cosmos begin inside a black hole in another universe? New study questions Big Bang ...
A team of scientists is proposing a bold alternative to the Big Bang theory, suggesting that our universe may have formed ...
MIT Technology Review10 小时
Haystack’s first heyday
In the 1960s, an unexpected gift from the Air Force led Herb Weiss ’40 to develop an antenna that could track a speeding ...
How do atoms form? A physicist explains where the atoms that make up everything around come ...
Why did they form at that time? Astronomers know from observing distant exploding stars that the size of the universe has ...
Weather Underground22 小时
Boston, MA Weather Conditions | Weather Underground
Boston Weather Forecasts. Weather Underground provides local & long-range weather forecasts, weatherreports, maps & tropical weather conditions for the Boston area.
Physics World19 小时
Micronozzle could give laser-driven particle accelerators a boost
Conventional accelerators use oscillating electric fields to drive charged particles to relativistic speeds. The Large Hadron Collider at CERN, for example, uses radio-frequency oscillations to ...