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Search: Posts made by: Frogwatch
Forum: Policy May 8th 10, 05:56 PM Posted to sci.space.policy
Replies: 4
Views: 355
Posted By Frogwatch
Lightsail

OK, here is my attempt to revive things.
I recently did a simple calculation concerning lightsails and how fast
they could go. I used a graphene film coated with 100 nm of Au as my
sail. I was...
Forum: Policy May 6th 10, 12:19 AM Posted to sci.space.policy
Replies: 14
Views: 455
Posted By Frogwatch
evaporate it

On May 5, 2:33*pm, (Wayne Throop) wrote:
: Frogwatch
: To get rid of the oil spill, why not evaporate it by pointing curved
: mirrors on barges onto...
Forum: Policy May 5th 10, 10:28 PM Posted to sci.space.policy
Replies: 14
Views: 455
Posted By Frogwatch
evaporate it

To get rid of the oil spill, why not evaporate it by pointing curved
mirrors on barges onto it. This would concentrate sunlight, not focus
but "concentrate" causing it to evaporate quickly. such...
Forum: Policy April 28th 10, 02:20 AM Posted to sci.space.policy,sci.space.history
Replies: 43
Views: 998
Posted By Frogwatch
OT, but a spooky concept

On Apr 27, 4:45*pm, "Jonathan" wrote:
"Jochem Huhmann" wrote in message

...

And Russia will be very surprized at what all...
Forum: Policy February 19th 10, 12:54 AM Posted to sci.space.policy,sci.space.history
Replies: 9
Views: 1,006
Posted By Frogwatch
New Russian reactionless spacecraft engine

On Feb 18, 1:04*pm, Pat Flannery wrote:
wrote:

I guess it's vaguely possible that they've come up with a way to react
against the earth's magnetic...
Forum: Policy February 10th 10, 06:02 AM Posted to sci.space.policy
Replies: 5
Views: 237
Posted By Frogwatch
Buy the SRBs

On Feb 9, 11:55*pm, Brian Thorn wrote:
On Tue, 9 Feb 2010 17:39:27 -0800 (PST), Frogwatch

wrote:
Someone ought to buy up all the shuttle...
Forum: Policy February 10th 10, 02:39 AM Posted to sci.space.policy
Replies: 5
Views: 237
Posted By Frogwatch
Buy the SRBs

Someone ought to buy up all the shuttle SRB segments so they can be re-
filled and then sold to Bigelow to launch his habitats. Dont bother
with parachutes or such nonsense, re-using them was always...
Forum: Astronomy Misc February 3rd 10, 06:13 AM Posted to soc.men,sci.math,sci.physics,sci.astro,sci.geo.geology
Replies: 352
Views: 7,388
Posted By Frogwatch
The metric system sucks

On Feb 3, 12:04*am, "Heidi Graw" wrote:
"Bart Goddard" wrote in message
...
"Heidi Graw"...
Forum: Astronomy Misc February 3rd 10, 05:59 AM Posted to soc.men,sci.math,sci.physics,sci.astro,sci.geo.geology
Replies: 352
Views: 7,388
Posted By Frogwatch
The metric system sucks

On Feb 2, 9:19*pm, Joshua Cranmer wrote:
On 02/02/2010 05:54 PM, Andrew Usher wrote:

I. Introduction

I know better than to succumb, but oh well.

LEFTIST...
Forum: Policy February 3rd 10, 05:02 AM Posted to sci.space.policy
Replies: 23
Views: 2,022
Posted By Frogwatch
Saturn V - inherently expensive or simply no economy of scale?

On Feb 2, 8:34*pm, Pat Flannery wrote:
Greg D. Moore (Strider) wrote:

Burning underwater isn't the problem. *It's the backpressure and other
factors.

I can...
Forum: History February 3rd 10, 04:52 AM Posted to sci.space.history,sci.space.policy
Replies: 38
Views: 535
Posted By Frogwatch
Wickramasinge at it again

On Feb 2, 9:52*pm, "Val Kraut" wrote:
" I don't know if he drove Hoyle crazy, Hoyle drove him crazy, or if they

both ate the wrong kind of cream of mushroom soup one...
Forum: Policy February 3rd 10, 04:46 AM Posted to sci.space.policy
Replies: 5
Views: 306
Posted By Frogwatch
US Space Program Rebranded

On Feb 2, 8:53*pm, Dan Birchall wrote:
(Stuf4) wrote:
*http://img51.imageshack.us/img51/9767/usspaceprogram.jpg

Can I get...
Forum: Astronomy Misc February 3rd 10, 02:14 AM Posted to soc.men,sci.math,sci.physics,sci.astro,sci.geo.geology
Replies: 352
Views: 7,388
Posted By Frogwatch
The metric system sucks

On Feb 2, 7:47*pm, "Heidi Graw" wrote:
"Ken S. Tucker" wrote in message
....
...
Forum: History February 3rd 10, 02:07 AM Posted to sci.space.history,sci.space.policy
Replies: 38
Views: 535
Posted By Frogwatch
Wickramasinge at it again

On Feb 2, 1:03*pm, Pat Flannery wrote:
Apparently now thinks interstellar clouds have dead bacteria in them:http://news.bbc.co.uk/2/hi/uk_news/wales/south_east/8491398.stm
I...
Forum: Policy January 28th 10, 03:53 AM Posted to sci.space.policy
Replies: 4
Views: 277
Posted By Frogwatch
Why I am not a believer in Flying Saucers visiting us

On Jan 27, 12:34*pm, American wrote:
On Jan 26, 8:07*pm, Frogwatch wrote:

...........................................*That is, it will...
Forum: Policy January 27th 10, 02:07 AM Posted to sci.space.policy
Replies: 4
Views: 277
Posted By Frogwatch
Why I am not a believer in Flying Saucers visiting us

My form of the Drake Equation:

N=ns*np*nl*nmc*ncmc*nil*nt

Whe

N = number of civilizations EVER in the galaxy
n = fraction of stars including brown dwarfs
np = fraction of stars having...
Forum: Policy January 2nd 10, 05:15 AM Posted to sci.space.policy
Replies: 9
Views: 350
Posted By Frogwatch
Breaking up a rubble pile asteroid impacter

On Jan 1, 10:46*pm, BradGuth wrote:
On Dec 31 2009, 12:14*pm, Frogwatch wrote:

OK, so we have a pile of rubble asteroid that is gonna hit the...
Forum: Policy January 1st 10, 07:53 PM Posted to sci.space.policy
Replies: 14
Views: 905
Posted By Frogwatch
Getting rid of LEO debris

On Jan 1, 9:23*am, Pat Flannery wrote:
Frogwatch wrote:
For that matter, could HAARP be used to heat selected areas of the
upper amosphere o do this?

Well, it is...
Forum: Policy January 1st 10, 07:53 AM Posted to sci.space.policy
Replies: 14
Views: 905
Posted By Frogwatch
Getting rid of LEO debris

I used to do wok on nuke explosions in space and one of the more
interesting phenomena was "atmospheric heave" whereby an exo-nuke
would suddenly heat the upper atmosphere causing it to rise in a...
Forum: Policy January 1st 10, 07:47 AM Posted to sci.space.policy
Replies: 9
Views: 350
Posted By Frogwatch
Breaking up a rubble pile asteroid impacter

On Dec 31 2009, 9:39*pm, "Greg D. Moore \(Strider\)"
wrote:
"Frogwatch" wrote in message

...
Forum: History December 31st 09, 06:10 AM Posted to sci.space.policy,sci.space.history
Replies: 22
Views: 783
Posted By Frogwatch
Comrades! Death to the hooligan asteroid!

On Dec 31, 2:08*am, Pat Flannery wrote:
Sylvia Else wrote:
That would require large change in its orbit. How would that be achieved?

Enlightened and dedicated socialist...
Forum: History December 31st 09, 05:13 AM Posted to sci.space.policy,sci.space.history
Replies: 22
Views: 783
Posted By Frogwatch
Comrades! Death to the hooligan asteroid!

On Dec 30, 10:57*pm, J0nathan Non Grata wrote:
"Jonathan" wrote:
So shouldn't we try moving into it's path?

Please. Would you?

Like before you post again?

Better idea,...
Forum: Space Shuttle November 21st 09, 05:10 AM Posted to sci.space.shuttle,sci.military.naval,rec.aviation.military
Replies: 247
Views: 3,488
Posted By Frogwatch
Military Space Plane = Space life boat?

On Nov 20, 10:27*pm, "David E. Powell"
wrote:
It sounds like the general thrust of the stuff discussed on here a
couple months back, it could be a neat "on call" rescue...
Forum: Policy November 15th 09, 07:21 PM Posted to sci.space.policy
Replies: 35
Views: 548
Posted By Frogwatch
Alien number systems

Most of us use the base 10 number system although civilizations such
as the Romans used their number system. Many people think that base 2
is a universal number system but maybe it isnt. Perhaps a...
Forum: Policy October 25th 09, 04:58 PM Posted to sci.space.policy
Replies: 25
Views: 420
Posted By Frogwatch
Lunar caving

On Oct 25, 11:43*am, Frogwatch wrote:
On Oct 25, 11:17*am, Frogwatch wrote:



On Oct 25, 2:34*am, Pat Flannery ...
Showing results 1 to 25 of 142

 
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