this post was submitted on 05 Apr 2025
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I'm kinda germaphobic, and they never seem to clean public transit. Chewed gum everywhere, littering, bodily fluids. Like I'm sure 99% of people are normal, but just 1% of dumbasses ruin it. NYC, Philly, I've seen it all. I heard people say other countries such as Japan has clean public transit, not sure why the US can't do the same... ๐ค (I bet the politicians stole all the funding)
My ideal transport would be getting launched out of a cannon, then I deploy a parachute after the GPS notifies me when I've arrived at the destination. Patachute deployed, I land on the roof, like a boss. ๐
Great for introverts too. ๐ซ
(So until public transit is fixed, I rather be fired... out of a cannon)
Cleanliness depends a lot on culture
Odds are they are American and if you haven't noticed our culture is pretty hell bent on rejecting civic duty
Other countries actually clean, sanitize, and maintain their public transit including trains and metro. They do this by shutting it down for a few hours in the early morning/ late night
Other countries are not so me centric as America is either.
NYC is the only one in the US I'm aware of that goes 24/7. I know the Philly one doesn't.
Are they maintained or just shut down for a few hours?
Well it'd be disrespectful to a friend of my mom's to say they don't...but also, it's probably dirtier than the NYC one tbh. My point is that it's not the root cause.
Yeah the root cause is they dont maintain or clean them at all
If only we could replace the plane ride before jumping into the sky. I once did the math in my head for how fast you'd have to be shot out of a cannon to reach typical jumping height, and it was a doozy. Disregarding air resistance, it approaches the speed of sound... and since we know how much air resistance matters in skydiving, that method is just out.
I'm actually curious now. Wingsuits can get a glide ratio of 2-3:1, right? The US census reports average commute time around 26.8 minutes, which (and I'm really spitballing here), might mean an average of 8-20 miles. Even with the wingsuit, that would mean having to get up above 20,000 feet AGL for the shortest distance. Now you're talking about supersonic cannon speeds, AND are at a height where they start recommending using oxygen bottles.
Alright, all that was using the idea off getting shot straight up and then gliding from the top. Let's plug in some horizontal firing. The most efficient horizontal distance is achieved at 45 degrees, not considering air resistance. It looks like you'd be fired at just under 800mph, or 355 meters/second if you like metric, with a horizontal/vertical velocity of 562 mph each. Travel time is about 51ish seconds.
None of that really makes sense without air resistance though. The fastest speeds for a skydiver just cross 300mph, or 450 ft/sec. The record right now is 527.77km/h, and you cannot deploy the parachute at those speeds without injury or death. So that means our 800 mph initial velocity would have to be far greater so you could get as far as possible before air resistance brings you down to terminal velocity. It also takes time for a parachute to deploy (5-10 seconds), which really throws a spanner in the works for timing. I'd also love to imagine the air traffic patterns as people are willy-nilly shot around metro commuting areas.
Hmm. I seem to love mixing imperial and metric measurements.
Fully agreed but even clean as a whistle I am not comfortable being around that many people ever