Such a negative mass would cause a negative gravitational effect (imagine if the sun's gravity (a product of its mass) repelled the Earth instead of attracting it). Although I'm not a master of theoretical physics, this could be accomplished by using a mass effect field to give the wearer "negative" mass at a precisely calculated point during the projectile's flight. The first thing this does is explain that the barrier has a deflection effect on matter. This affords protection from bullets and other dangerous projectiles, but still allows the user to sit down without knocking away their chair. These shields safely deflect small objects traveling at rapid velocities.
Kinetic barriers are repulsive mass effect fields projected from tiny emitters. I see the Dune shield a bit like a non-newtonian fluid that allows a slow moving object, but resists a fast moving one.Īccording to the Codex entry for kinetic barriers:
This is the impression the Dune shield gives, it is not something that triggers when a bullet hits it - it is a passive property of the shield. Who says that the barrier needs to trigger? Perhaps it is a feature of the shield technology that it reflects the energy of the projectile - so the higher energy the higher the barrier response. It would be far easier to tell the difference between a punch and a bullet, than between a punch and adjusting something on your own equipment.īarrier Trigger. In the ME world the side effect of being able to repel relatively slow attacks like melee might also have side effects which outweigh the advantages such as the shield being very inflexible to the wearer, or the shield stopping the wearer interacting with equipment or touching things.Īs already discussed, the velocity of a punch ( 300 m/s). In Dune the shield can be tuned-down to repel even very slow attacks indeed, like 2-3 inches a second - but there are side effects of the shield, such as a poor exchange of air across the boundary. The concept could perhaps be used for melee, but maybe there are undesirable side effects to this. So to speculate on your questions in turn (using the Dune shield as a reference): In Dune, the speed at which an attack would work was very slow - sword fighters had to use guile rather than aggression to get through a shield - but it would appear that the speed that the ME Universe allows is faster than that. Perhaps, in a similar manner to the shields in the Dune universe, the kinetic barriers only work with objects moving at a very fast speed, well above melee speed. The velocity of a melee hit is vastly slower than a bullet from an assault rifle.
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