I think its more likely that the people do know they just don't care and it helps them to put their backpack overhead so they do it anyways. There is minimal/no enforcement.
I'm very much a we-live-in-a-society, follow the rules kind of guy, but if I checked a bag and only have my backpack in the cabin, you bet your ass I'm going to try and find a place for it in the overhead instead of cluttering up where I want to put my feet. The flight attendants can go scold the passenger with the oversized roller + backpack + 20 liter "purse" instead.
Yes, the logical rule would be 1 bag in the overhead per person. If they enforced carry-on sizes strictly and charged less for checked luggage the problem would probably go away.
It has nothing to do with price. I don't check luggage on domestic flights because of the enormous time lag for the airport to give me back my luggage. (There's also "United Breaks Guitars", but that's an independent problem)
If I could walk from the plane to the luggage area and my luggage was already there 90% of the time, I probably would check more things.
However, the US airports simply don't employ enough people to move the luggage around fast enough.
The is 100% correctable by employing more people. But some CEO needs another yacht, so they don't. So, I simply don't check luggage.
In college I had to handwrite all my exams and the pure math courses didn't allow calculators. For the latter you could realize you were doing it wrong if the answer was too complicated to write down. As others said the final was something like 30% or more of your grade.
From the article: “Voyager 1 still has two remaining operating science instruments — one that listens to plasma waves and one that measures magnetic fields. They are still working great, sending back data from a region of space no other human-made craft has ever explored. The team remains focused on keeping both Voyagers going for as long as possible.”
yeah the sparse data being returned from Voyager are the only direct observations ever made of the outer solar system / beyond. Even if the data is humdrum and exactly as expected, that in itself is worth something.
Generally we don’t construct and maintain expensive scientific equipment just for the fun of it. There usually is some question or debate we expect them to answer or settle.
GCMS is neat, we have a really nice one at work but don't use it to reverse engineer soft drinks. Although, if we had a bit more time we probably could.
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