The natural clocks that can pinpoint someone's time of death

When something dies, a telltale radioactive signal ticks like a natural clock. Discovering it helped us solve all sorts of ...
Astronomy

What is the speed of light? Here’s the history, discovery of the cosmic speed limit

The speed of light is a fundamental constant, approximately 299,792,458 meters per second. It's the same for all observers and hasn't changed measurably over billions of years. Nothing can travel ...

20 Ryobi Home Improvement Products You Didn't Realize Existed

You think you know Ryobi? Take a peek at this list of home improvement tools and see if you find any surprises.
IFLScience

How Can A Mirror See An Object That Is Hidden By A Piece Of Paper?

Alfredo has a PhD in Astrophysics and a Master's in Quantum Fields and Fundamental Forces from Imperial College London.View full profile Alfredo has a PhD in Astrophysics and a Master's in Quantum ...