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Re^2: In praise of curiosity

by adrianh (Chancellor)
on Aug 02, 2003 at 12:48 UTC ( #280274=note: print w/replies, xml ) Need Help??


in reply to Re: In praise of curiosity
in thread In praise of curiosity

You'd lose that bet I'm afraid.

While there haven't been any solar sails used for propulsion the effect has been measured in the lab (way back in 1901). In fact it's something that has to be taken into account in existing interplanetary flights. The light pressure on solar panels, etc. is enough to have a measurable effect.

Crook's radiometer isn't an example of light pressure. This has been known since 1879 (see this comprehensive explanation for more info). I am more than mildly surprised that Gold is in ignorance of this since I was told about this in school!

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[Corion]: hippo: Yeah, but at least two years ago, it still was close enough to 20% cut
[Corion]: But I have a very positive experience with a four day workweek and a three day weekend. I can't easily go back though to full money.
[Corion]: That is easy without having to pay for a house, a wife or children though. If I had any of these, or any two of these, the decision wouldn't be that easy.
[ambrus]: wait. I understand no wife and children, but how do you not have to pay for a house?
[hippo]: I had a low-paid job about 20 years ago and seriously considered going down to a 3-day week. Would have worked 60% of the time for about 80% of the cash.
[Corion]: ambrus: Well, I pay rent, but don't own a house with variable/ unforeseeable costs
[hippo]: The thesholds/benefits balance at the time was nuts.
[hippo]: But that doesn't last because, you know ... politicians. :(
[Corion]: hippo: Yeah, if you still get enough money to get by and don't have expensive hobbies or other fixed costs that can work out well
[ambrus]: ah good. I pay only rent too. but that still costs significant money.

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