6 results for “radioactivity”
Planet Earth
Rocks, Minerals and Fossils
radioactivity. Some elements decay at perfectly steady rates, and by comparing the amount of a radioactive
Article · 4 min read
Matter, Energy & Physics
Atoms
Everything you can touch is made of atoms, and atoms are almost entirely empty space. Here
Article · 4 min read
Life & Biology
Bacteria and Viruses
radioactive waste and in the clouds. There are an estimated five million trillion trillion of them
Article · 4 min read
Matter, Energy & Physics
The Quantum World
radioactive nuclei decay. And it is how flash memory stores your photographs, electrons tunnelling through an insulating
Article · 4 min read
Matter, Energy & Physics
The Periodic Table
radioactive elements, including uranium and plutonium. Metals occupy the left and centre, about three quarters of the table
Article · 4 min read
Planet Earth
Inside the Earth
radioactive elements such as uranium, thorium and potassium scattered through the mantle and crust. The invisible
Article · 4 min read
