Last month, Albert Einstein’s Theory of General Relativity, celebrated its 100th birthday. One hundred years later, scientists still recognize Einstein’s model as the standard. Despite the dynamism that usually characterizes science, general relativity has withstood countless efforts from modern physicists to disprove it, and for that feat alone it deserves to be understood.
Before the twentieth century, Isaac Newton’s Law of Universal Gravitation was the accepted definition of gravity; he explained the strange phenomenon as being the result of attractions between massive bodies. While his mindset was effective when applied to the motion of “real world” objects, Newton’s theories lost some validity... READ MORE