Time travel has shifted from pure fantasy to a serious, if highly constrained, topic in modern physics. The equations that ...

Contemporary physics has learned to describe the universe with unprecedented precision. Yet when it tries to say what time is, it stumbles again and ...

Einstein’s theories of relativity propose that forward time travel is theoretically feasible by nearing light speeds, but backward time travel presents more challenges. Theoretical models like ...

The laws of physics imply that the passage of time is an illusion. To avoid this conclusion, we might have to rethink the reality of infinitely precise numbers. Strangely, although we feel as if we ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. Start with a Black Hole … The physical possibility of time traveL ...

Time is supposed to be the most reliable thing in our lives, ticking forward at a steady pace while everything else changes.

IMAGINE standing outside the universe. Not just outside space, but outside time too. From this spectacular vantage point, you gaze down upon the universe. At one end you see its beginning: the big ...

Can advanced physics be taught in a project-based curriculum? Robert P Crease drops in at an innovative, new US engineering college to find out Learn by doing: students from Olin College with their ...