Complex sentence: The shields of space armour are capable of indefinitely resisting the output of a blaster, and their resistance to material projectiles varies as the cube of the velocity of the projectile, rendering bullets also ineffective.
Split into simpler sentences: The shields of space armour are capable of indefinitely resisting the output of a blaster. Moreover, their resistance to material projectiles varies as the cube of the velocity of the projectile, rendering bullets also ineffective.