FLOTUS is a new addition to the CLOUD experiment at CERN. By accelerating the oxidation of organic vapours before injecting them into the CLOUD chamber, FLOTUS allows more complex atmospheric phenomena to be studied

CERN’s CLOUD experiment points to a cloudier pre-industrial climate in two Nature papers published today

From cloud chambers to 3D animations, physicists use a host of ingenious techniques to reveal subatomic particles too tiny to see

Build a cosmic-ray detector in the classroom to see tracks left by particles from outer space