Time dilation is real! And anyone who uses a GPS, or the “My Location” option on Google Maps, is making direct use of the fact that time dilation is real. The idea behind time dilation is just as you ...

Time dilation, a captivating concept embedded in Einstein’s theory of relativity, has been experimentally validated on Earth. With the use of ultra-precise clocks, scientists have been able to ...

Pupil dilation may signal deception. The autonomic nervous system regulates pupil size. Pupil dilation normally indicates an increase in cognitive demand. Liars usually experience an increase in ...

On the other hand, Dr. William Barlow of the University of Utah's Moran Eye Center notes, "Dilation isn't always required. In fact, if you are seeing your eye doctor solely to get a prescription, ...

Breakthroughs, discoveries, and DIY tips sent every weekday. Terms of Service and Privacy Policy. For most of human history, we kept time by Earth’s place in space ...