Detachable junk sounds good in theory, but I can't help but feel that the plug-and-play approach is just asking for trouble. Forget about USB compatibility – I want something mounted on a threaded rod that I have to spend several minutes turning into place, and it makes an obtrusive squeaka-squeaka-squeaka noise the whole time because I'm a dumbass and forgot to lubricate it. I want something that needs to be seated and secured like the parallel data cable from a 1950s computer. I want something where removing it requires disengaging a series of four interlocking mechanical toggles, and I want each of those toggles to go ka-chunk.
light pillars are vertical beam of light that appears above or below a light source, caused by the reflection of light from small ice crystals in the atmosphere or high-altitude clouds.