Denotes the gravitational constant in mathematical notation.

G is the constant term in Newton's law of universal gravitation, which states: "The attractive force (F) between two bodies is proportional to the product of their masses (m₁ and m₂), and inversely proportional to the square of the distance (r) between them."

Always lower case.

Grid Deployment Board (for WLCG)

A pan-European data network for the research and education community

Not to be confused with GEANT simulation software

Acronym doesn’t need spelling out for the CERN Courier

Capital G.

A device for measuring radioactivity by detecting and counting ionising particles.

Do not confuse with dosimeter.

The Gas Electron Multiplier (GEM) is a gaseous-ionisation detector – a type of detector used in nuclear physics, particle physics and radiation detection.

Gigaelectronvolt (one thousand million electronvolts)

Gamma-ray Large Area Space Telescope

Spell out in first use then use acronym for the CERN Courier

Capitals on "G", "S" and "I". No italics.

There will be a public lecture today at 5pm in the CERN Globe of Science and Innovation. 

lower case

Stories at CERN are often based on new physics results, and many of these will be accompanied by one or more graphs. 

Graphs are an excellent way to present lots of data in one place. But it is essential that the reader be given all the information necessary to understand the data presented.

Before publishing a graph or chart, check:

Are all the axes labelled?

- graphs without labels do not mean anything at all. Label your axes.

Would the labels make sense to a non-physicist?

Not GRID. Initial capital letter when referring to the Worldwide LHC Computing Grid (WLCG).

The Grid is just one of many computing grids worldwide.