What 5 objects or items would you save?, page 1
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reply posted on 4-9-2007 @ 10:55 AM by dr_strangecraft
reply to post by angryamerican



It's cool that you've planned ahead and have things shielded.

If it were caused by a solar flare, for example, no one really knows whether the satelites that generate the GPS signals are adequately shielded . . . .

In the event of really dire warfare, I bet the US would "turn off" satelites, both communication and GPS satelites, regardless of who owns them.

My sextant and slide rule are part of a global positioning system; but its receiving equipment don't require electricity. Just log tables.


reply posted on 4-9-2007 @ 11:34 AM by angryamerican
1: Megnatite for home made compass.

2: flint and steel

3: A
Antikythera Mechanism

4: condensed book of mathematics

5: Portable 141-Piece Tool Set

So it didnt take as long as I thought it would. I think this one is better.


reply posted on 4-9-2007 @ 12:12 PM by dr_strangecraft
Originally posted by angryamerican

3: A
Antikythera Mechanism



The modern apparatus is called an Orrery. Here's one of my favorites:

20th century Orrery

Here's another, this one built from Legos (!)

Sadly, a google search of "build your own orrery" only turned up one decent hit in 5 pages, the lego project. All the rest are computer programs.


The fools, when they lights go out, they'll really be in the dark!

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