Fermilab physicist Don Lincoln explains a well-known thought experiment examining the consequences of special relativity. “Time waits for no man” goes the saying, and it appears to be true. Inexorably ...

Forbes contributors publish independent expert analyses and insights. Dr. Lance B. Eliot is a world-renowned AI scientist and consultant. Ask any physicist about the famous twin paradox problem and ...

The Twin Paradox is one of the most fascinating and perplexing concepts in Special Relativity. It involves two twins: one stays on Earth while the other travels through space at near light speed. Upon ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Einstein's theory of special relativity teaches us that time is relative. But what does it mean ...

Albert Einstein’s “twin paradox” is a famous counterintuitive implication of the special theory of relativity, but it also reveals deep links between physics and philosophy, as Robert P Crease ...

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Today NASA’s Scott Kelly, along with two Russian cosmonauts, blasts off for the International Space Station, where they plan to spend 342 days. Kelly’s identical twin brother Mark, also a (retired) ...

Subhash Kak, Delaune Distinguished Professor of Electrical and Computer Engineering at LSU, recently resolved the twin paradox, known as one of the most enduring puzzles of modern-day physics. Subhash ...