The science behind Destiny 2’s Lorentz Driver weapon

In Destiny 2’s fifteenth season, Season of the Lost, players can earn a new exotic grade weapon by progressing through the Season Pass – the Lorentz Driver. This new Linear Fusion Rifle may look like yet another science fiction weapon powered by impossible energies and ridiculous technology. That’s not necessarily the case this time, as the Lorentz Driver has its mechanics and name rooted in real science. Here’s how the weapon breaks down its interpretation of the Lorentz force.

So, first off, we have to look at the force this weapon is named after, the Lorentz force. Originally developed from a complete derivation by Hendrik Lorentz in 1895, Lorentz force is the combination of electric and magnetic forces on a charged particle due to electromagnetic fields. This charged particle will only feel a force due to the magnetic field if it is moving with a component of its velocity perpendicular to the field. If it moves parallel to the magnetic field, it experiences no force. Particles, or a single particle, guided by this force is influenced by the Guiding Center, where all surrounding particles align towards this point in space.

The sum of these two forces creates a force that we call the Lorentz force. This concept allows almost all modern electronics to function; speakers, computers, and even railguns all utilize the idea of Lorentz force as the main basis of how they handle electricity and magnetism. Particle accelerators and cyclotrons especially utilize Lorentz force due to their circular shapes and how the force multiplies the speeds of charged particles, allowing them to collide and create new elements.

Charged particles experiencing the Lorentz force_Marcin Białek

An experimental example of the Lorentz force. (Image credit: Marcin Białek)

Looking at how the Lorentz Driver weapon functions, we can break down the components of the mechanics and how they tie to Lorentz force itself in a basic manner. The Linear Fusion Rifle in Destiny’s universe is a weapon that projects a super-concentrated beam of elemental energy in a single shot, much like a sniper rifle but with much more piercing power.


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