integrated luminosity

Astronomers using the Hubble Space Telescope have captured the most comprehensive picture ever assembled of the evolving Universe — and one of the most colourful. The study is called the Ultraviolet Coverage of the Hubble Ultra Deep Field. Caption and credit: hubble_esa/Flickr, CC BY 2.0

A Universe Out of Sight

Equipment surrounding the SuperKEKB installation. Source: KEK

Rivalling LHC’s High Energy, Japanese High Intensity Collider Nears Completion