You are here. What we do. Using our expertise and experience GCHQ is part of the team which protects the UK, along with law enforcement and the other intelligence agencies. Working with HMG and industry, we defend Government systems from cyber threat, provide support to the Armed Forces and strive to keep the public safe, in real life and online.
So the electromagnetic force holds matter together, but in a quantum mechanical way. As for metallic bonds I have no clue how that works. The idea seems to be that a sea of electrons acts as a glue that holds together an array of nucleons. Not sure how Schrodinger's equation gets you that.
Matter comes together to form stars under the force of gravity.  Gravity is a force that causes all objects to attract each other  with different amounts of force depending â¦on their masses and their  distance.