View Profile: orionjim - Cosmoquest Forum

Today, 06:43 AM

grapes replied to a thread How practical is beach soccer? in Off-Topic Babbling

Sorta Here's a link that deals wih last month's sixth annual world cup of quidditch: http://worldcupquidditch.com/

6 replies | 58 view(s)

Yesterday, 10:19 AM

grapes replied to a thread Salem/Dallas Oregon, Activity in Geology & Planetary Surfaces

A 1.5! North Carolina was thought to be geologically inactive, then they bid for the superconducting supercollider, and installed a seismic...

3 replies | 51 view(s)

Yesterday, 10:15 AM

grapes replied to a thread How practical is beach soccer? in Off-Topic Babbling

Or quidditch, played on many campuses

6 replies | 58 view(s)

2013-May-22, 02:51 PM

orionjim replied to a thread i-Phone or Android? in Off-Topic Babbling

This site has a comparison of the 4, 4s and 5. http://www.gizmag.com/iphone-5-vs-iphone-4s-vs-iphone-4/24351/ I think the 4s fixed the antenna...

70 replies | 3639 view(s)

2013-May-21, 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...

22 replies | 1190 view(s)

2013-May-21, 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...

53 replies | 713 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...

8 replies | 154 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.

9 replies | 329 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 | 1818 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. (...

53 replies | 713 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

2552 replies | 78081 view(s)

2013-May-17, 05:16 PM

orionjim replied to a thread Beyond Chance? in Off-Topic Babbling

Not really when you consider that it’s 700 * 14. I say this because I assume you are looking at all of the values 1 to 14.

12 replies | 280 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 | 478 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! :)

2552 replies | 78081 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 | 352 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 | 478 view(s)

2013-May-15, 02:29 PM

orionjim replied to a thread Beyond Chance? in Off-Topic Babbling

I set up a simple Monte Carlo generator in Excel and ran 5500 draws and made this is a histogram of the results: As you can see it’s close to...

12 replies | 280 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 | 352 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 | 478 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 | 283 view(s)

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