The torsion balance electrometer Coulomb used to…
The first evidence for radioactivity – images…
In studying electrical conduction through air in…
The original Wulf electroscope (Image: Wikimedia…
To measure ionizing radiation away from the earth…
Domenico Pacini making a measurement on 20…
Cloud formed on ions due to α-Rays (Image: CTR…
Hess back from one of his balloon flights in 1912…
Increase in ionization with height measured by…
Robert Millikan originally set about to disprove…
Bothe and Kolhorster’s experiment (Image: L…
Photograph from Occhialini and Blacket’s paper…
Bruno Rossi (Image: Wikimedia Commons) Rossi’s…
The muon was discovered as a constituent of…
Pierre Auger, who had positioned particle…
Stereoscopic photographs showing an unusual fork…
The detector used for the first observations of…
John Linsley detected first cosmic ray with an…
Astrophysicists detected pulsed gamma-ray…
The Fly's Eye Mirrors (Image: Courtesy of…
On 3 December 1993, the Akeno Giant Air Shower…
Satellite image showing spring ice melt underway…
The photomultiplier tubes within these basketball…
Upon completing its 100th surface detector, the…
The CLOUD (Cosmics Leaving OUtdoor Droplets)…
In November 2007, the Auger project published…
On 18 December 2010, the expanded version of…
AMS during tests at the University of Geneva…
In 2013 IceCube presented two events at around 1…
Inspired by the 1PeV events, IceCube began a…
The Alpha Magnetic Spectrometer (AMS)…
Scientists at IceCube observatory and…