Such things have to be wire guided, or autonomous. Subs have really good wire deployment systems, so it's not something out of the question, but water blocks radio signals quite effectively.
SaltSong
I mean, that's like claiming that he lied repeatedly and vociferously that jumping in the pool will not lead to getting wet. There is no way to believe that lie aside from deep, deep ignorance.
I remember and author, possibly Pratchette, decrying the phrase "I don't believe my eyes." Believe them or not, they are how you perceive the world, and you cannot act much in contrary to what they tell you.
Ditto your ears, your senses of touch, smell, taste. Realistically, you can choose which of your senses to prioritize, but you cannot reject their input entirely.
That seems incredibly unlikely.
Once again, I long for precidented times.
If I didn't remember, then it would be not meaningfully different from the life I live now.
The cultural relationship with time is more important than its absolute measurement.
This was the statement at the top of this discussion. It values the local concept of what time should be over an objective measurement of what time is.
The proposed change wouldn't cause much of a problem. But the idea under the statement I quoted would.
In general, stay out of the ducking way.
That would kind of miss the whole point.
Plenty of countries sign on to nuclear non proliferation.
Besides, the Federation did well enough without it.
Mark Hamil did that once in Batman.
kind of my point. Trains need accurately measured time in order to run properly.
I imagine they remember the far off year of 2021, where the threat of drowning in you own lungs was not considered sufficient reason for a great many people to give a shit.
Expensive burgers may be the lever needed to get people to pay attention.