Super powerful magnets are commonplace at CERN, the largest physics laboratory in the world. This one creates a magnetic field many times the strength of Earth's magnetic field, when it's on that is. This one isnt, ever, it's for display, but none at the large hadron collider are either. This is because they're carrying out upgrades and repair work for the next couple of years.
In the large hadron collider many many many of these line a 28 mile long circular tunnel under the city of Geneva, in which protons and ions are accelerated to extremely high energies and smashed together once every 5 nano seconds. This equates to about 40 million times per second. The reason that the tunnel is so large is to reduce to amount of energy which is lost by being radiated away as synchotron radiation.
This type of radiation happens when any charged particle is accelerated. In a small tunnel, the rate of angular acceleration is much larger because, remember, velocity is a vector and even so at constant speed, changing direction around a circle is acceleration. So if the circle is really really big then at each time the particle is curving less so giving out less synchotoron radiation.
The opposite effect is desirable when slowing particles down. Post to follow. Keep your panties on.
📷 - Canon SX540
“Where there is ruin, there is hope for a treasure” 📸
I was in Sherborne getting some shots of the ruins and I thought that this quote fits this image very well. This shot was the treasure I was looking for! #ruins#boka#sonyphotography