News tagged with radioactive

Video: How do we know the age of the Earth?

The Earth is 4.565 billion years old, give or take a few million years. How do scientists know that? Since there's no "established in" plaque stuck in a cliff somewhere, geologists deduced the age of the Earth thanks to a ...

dateOct 23, 2017 in Earth Sciences
shares3 comments 0

Safety assistance system warns of dirty bombs

The threat of terrorism in Europe has been on the rise in recent years, with experts and politicians particularly worried that terrorists might make use of dirty bombs. Fraunhofer researchers have developed a new system that ...

dateOct 05, 2017 in Engineering
shares2 comments 0