Li Pan banged out a few shots, and bullets entered the light wall, appearing to be caught in glass as they slowly stopped mid-air, then, under the pull of gravity, dropped down at an eerie, uniform speed. Yet, when ordinary humans walked through it at a normal pace, though they felt resistance, they didn't face any problems.
That gadget looked quite intriguing, but the launching device was a bit bulky; and besides, you needed a nuclear blast to trigger the laser, or else it could have been fitted onto trucks for bulletproofing.
Now that I've got the cash, it's about time to head over to Martin Rousi's and upgrade the Emperor 620, give it some bulletproof armor, and also inquire about the Ghost Building.