View Profile: tusenfem - Cosmoquest Forum

Yesterday, 10:03 AM

grapes replied to a thread how do i have all my topics/posts deleted and username removed? in Forum Introductions and Feedback

We try. I can remember one poster who signed his full name to his initial post. The post was high enough quality that I was certain he'd be around...

19 replies | 1103 view(s)

Yesterday, 09:37 AM

tusenfem replied to a thread Star Trek Into Darkness May 17, 2013 - Spoilers in Small Media at Large

Loved the move, but then I like Captain Janeway too, so that puts me on the sideline anyway.

217 replies | 9967 view(s)

Yesterday, 08:12 AM

grapes replied to a thread Mechanical advantages of rails? in Science and Technology

It's hard to imagine an alternative steel factory without some sort of rail system--you're not going to shuttle hot ladles back and forth on rubber...

45 replies | 536 view(s)

2013-May-20, 07:33 PM

tusenfem replied to a thread Earth does not fly off at a tangent due its high speed in many frames of reference in Astronomy

I have no idea what the title or the OP is supposed to mean.

7 replies | 126 view(s)

2013-May-20, 03:58 AM

grapes started a thread SPF ratings for sunscreens in Small Media at Large

From USA Today today: http://m.usatoday.com/article/news/2325341 OK I might believe that SPF ratings are gimmicks, as the article says, but I'm...

5 replies | 119 view(s)

2013-May-20, 03:00 AM

grapes replied to a thread Looking for a solid pair of binoculars in Astronomical Observing, Equipment and Accessories

The last two links are the same.

6 replies | 180 view(s)

2013-May-19, 06:48 PM

grapes replied to a thread Machines in space in Science and Technology

Nobody else may have mentioned the effect of cosmic rays on computers and digital cameras, but that sure seems like an issue. Modern machines have a...

36 replies | 1800 view(s)

2013-May-19, 10:12 AM

grapes replied to a thread Mechanical advantages of rails? in Science and Technology

Simple physics and material strength allows one to calculate number of wheels. A single coal car carries a small hill of rock. (...

45 replies | 536 view(s)

2013-May-17, 08:43 PM

grapes replied to a thread Really trivial stuff that bugs you in Off-Topic Babbling

Spouse -- Spice Trousers -- Taser Douse -- Dice Souse -- Sots

2515 replies | 77449 view(s)

2013-May-16, 06:43 PM

grapes replied to a thread What is the Average Distance Between Earth and Sun? in Astronomy

If it is given as 93,000,000 miles, there are two significant digits--it's been rounded to 93 million. Of course, it's 91.5-94.5 million over the...

23 replies | 458 view(s)

2013-May-16, 12:00 PM

tusenfem replied to a thread Baryon matter / dark energy ratio in the mass of universe in Against the Mainstream

Well that would be easy enough to actually calculate and see if it is a constant.

43 replies | 1048 view(s)

2013-May-16, 10:08 AM

grapes replied to a thread Really trivial stuff that bugs you in Off-Topic Babbling

Interesting. The wiki says it is folk etymology. From http://www.navy.mil/submit/display.asp?story_id=11795 That ship may have sailed! :)

2515 replies | 77449 view(s)

2013-May-15, 04:20 PM

grapes replied to a thread About Venus in Astronomy

OK, that clears that up. The phrase "null hypothesis" is too general and actually controversial. Why not just say, Hypothesis A, Hypothesis B,...

18 replies | 333 view(s)

2013-May-15, 04:11 PM

grapes replied to a thread What is the Average Distance Between Earth and Sun? in Astronomy

I think that was their point! :) There is some justification for using the semi-major axis as the average distance, as we've said, and the...

23 replies | 458 view(s)

2013-May-15, 12:39 PM

grapes replied to a thread About Venus in Astronomy

Not just superficial resemblances, either, but as Shaula mentions, in the DNA as well. Too? What are you calling the null hypothesis? :)

18 replies | 333 view(s)

2013-May-15, 07:12 AM

tusenfem replied to a thread Global warming- not new!! in Against the Mainstream

Neil Russell, there are open questions for you to answer, and it would be nice if you could support your claims and if you "quote" something, then...

33 replies | 1234 view(s)

2013-May-15, 03:36 AM

grapes replied to a thread What is the Average Distance Between Earth and Sun? in Astronomy

Like Glom, I'd say yes. Aphelion plus perihelion equals major axis, so half of that is the semi-major axis, and Kepler's laws depend upon the...

23 replies | 458 view(s)

2013-May-14, 04:25 PM

grapes replied to a thread Lagrange point with a mass, does it create baby L-points? in Space/Astronomy Questions and Answers

But isn't the moon of appreciable size? Or, going back to the OP, substantial enough? The moon is large enough, relative to the earth, that some...

14 replies | 272 view(s)

2013-May-14, 02:21 PM

grapes replied to a thread Really trivial stuff that amuses you... in Off-Topic Babbling

Yesterday, some kids asked which languages I knew. I claimed an additional ability to speak British, and they were impressed, until I admitted it...

1564 replies | 53983 view(s)

2013-May-14, 10:23 AM

grapes replied to a thread Lagrange point with a mass, does it create baby L-points? in Space/Astronomy Questions and Answers

Putting in a second moon into the earth/moon system would not put you over the 1/25 limit.

14 replies | 272 view(s)

2013-May-13, 11:50 AM

tusenfem replied to a thread What are you reading? in Small Media at Large

Robert Jordan: A memory of light (Wheel of Time #14) Finally the conclusion of this series which I started reading in 1990!

2851 replies | 156290 view(s)

2013-May-12, 07:53 PM

grapes replied to a thread Lagrange point with a mass, does it create baby L-points? in Space/Astronomy Questions and Answers

L4/L5 are stabile when the large mass is 25 times as massive as the smaller mass. The earth is 80 times the mass of the moon. So, when you say...

14 replies | 272 view(s)

2013-May-12, 05:47 PM

grapes replied to a thread Really trivial stuff that bugs you in Off-Topic Babbling

Only in the last hundred years http://en.m.wikipedia.org/wiki/Cootie_(game)

2515 replies | 77449 view(s)

2013-May-10, 09:23 PM

grapes replied to a thread Which CQ rule, or combo of rules, say "No Trolls Allowed"? in Forum Introductions and Feedback

Uh-oh Jim, we've hurt his feelings again. Whose turn is it to accompany him to the tiki bar?

9 replies | 236 view(s)

2013-May-09, 08:58 PM

tusenfem replied to a thread Nexus: A Quantum Description of Spacetime,gravity and the Quantum Vacuum in Against the Mainstream

The Tunneler, it is about time that you start giving real answers and not just mumbo-jumbo that probably only makes sense to you. Please, start to...

35 replies | 1260 view(s)

2013-May-09, 11:49 AM

tusenfem started a thread Defiance TV Series in Small Media at Large

Okay, I just have to ask. I read the wiki on Defiance, with a lot of info of what supposedly has happened before the series started. However, if you...

3 replies | 136 view(s)

2013-May-09, 10:43 AM

tusenfem replied to a thread Conference to discuss NASA/Private Sector Manned Mars Mission: in Space Exploration

"The US has no enemy in the world, it is bankrupt and there is operational robotics" Okay, stop that discussion right here! This goes well into...

30 replies | 720 view(s)

2013-May-08, 01:48 PM

tusenfem replied to a thread Nexus: A Quantum Description of Spacetime,gravity and the Quantum Vacuum in Against the Mainstream

Welcome to CQ The Tunneller. Your OP is, however, is highly unreadable, and looks more like a collection of interesting sounding terms than a fully...

35 replies | 1260 view(s)

2013-May-08, 01:41 PM

tusenfem replied to a thread pressure system effects on a complex plasma form expression in Space/Astronomy Questions and Answers

Helical layers in flux ropes. Imagine a tube with plasma with all magnetic field lines nicely along the axis of the tube. Now, over the tube we...

14 replies | 418 view(s)

2013-May-08, 10:20 AM

grapes replied to a thread Proving one's bravery in Off-Topic Babbling

I'm not just being ironic when I say that that's hard to believe. :) Why would they kick you off? Did tempers flare, and insults fly?

66 replies | 1343 view(s)