Physicists have taken a bold step beyond Einstein's special theory of relativity, proposing an expansion of special relativity that includes observers moving faster than light. This fresh perspective ...

Einstein’s special relativity, which he formulated in his “miracle year” of 1905, was a theory that revolutionised our ideas of space and time – and ultimately paved the way for some even ...

His theory of special relativity stemmed from his desire to ... This led Einstein to formulate the Equivalence Principle, a cornerstone of general relativity. According to the equivalence ...

Special relativity tells us motion warps space and time. Einstein’s central coup with general relativity was to combine that with a principle noted over three centuries earlier by Galileo ...

Since, according to Einstein's special theory of relativity, time moves slower ... Einstein decided, based on the "principle of equivalence." Similarly, if your elevator were to plummet far ...

Einstein’s special relativity, introduced in 1905, brought together space and time into one four-dimensional model. It rests on two key ideas: Galileo’s principle of relativity and the ...