资讯

Newton's gravity was beautifully simple, and his law had worked spectacularly well for calculating gravitational force for a couple of centuries. Obviously something had to be done!
Machine learning and gravity signals could rapidly detect big earthquakes Monitoring speed-of-light changes in Earth’s gravitational field could speed up hazard warnings ...
A gene called IBSH1 helped spreading earthmoss thrive at high gravity, hinting at how plants adapted to photosynthesize on land.
Science Physics When two stars orbit each other, gravity gets weird Newton and Einstein's explanations for gravity might not fully explain some cosmic phenomena. Briley Lewis ...
This new propulsion system could rewrite the rules of spaceflight—not to mention completely defy conventional physics.
New research has found a critical flaw in modified gravity theories: They allow for effects to occur without causes and for information to travel faster than the speed of light. This is bad ...
Zero gravity relies on you, your surroundings, and the air all falling at the same rate, and airplanes flying parabolic arcs ...
IS GRAVITY left-handed? An answer could provide a clue to a long-sought theory of quantum gravity – and might be within our grasp by 2013. General relativity describes gravity's actions at large ...
Greatest Mysteries: What Causes Gravity? Best Visual Illusion Of 2010 Defies Gravity Top 10 Unexplained Phenomena Inside Science News Service is supported by the American Institute of Physics.
Thus, Kobakhidze concludes, "we are driven to the conclusion that gravity is not an entropic force." This is how science works. Ideas are proposed, they are backed up, they are shot down.
What could be more familiar than gravity? Drop something and gravity pulls it to the floor, right? And in school we learn that gravity is what guides the moon in orbit around Earth, and Earth in ...
With the astronaut flick Gravity dominating box offices and dinner table conversation, Science Friday brings in the experts to fact-check. In our first installment of "Science Goes to the Movies ...