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Search: Posts Made By: ellindsey
Forum: Science, Mathematics, Medicine, and Technology 31st October 2014, 02:01 PM
Replies: 107
Views: 17,992
Posted By ellindsey
That was the thinking before anyone had ever...

That was the thinking before anyone had ever tried to build a large hybrid motor. Now, in large part thanks to experience with the motor for Spaceshiptwo, we know that large hybrid motors are prone...
Forum: Science, Mathematics, Medicine, and Technology 31st October 2014, 01:12 PM
Replies: 107
Views: 17,992
Posted By ellindsey
From the eyewitness reports, it sounds like the...

From the eyewitness reports, it sounds like the hybrid engine had a hard start and blew up right after ignition. If this somehow doesn't completely kill the Spaceshiptwo project, it may be the...
Forum: Science, Mathematics, Medicine, and Technology 31st October 2014, 01:09 PM
Replies: 94
Views: 5,583
Posted By ellindsey
The rocket was moving at a rate comparable to...

The rocket was moving at a rate comparable to previous launches up to the moment that the first engine explosion occurred. Orbital Sciences has stated that the flight was nominal up to this point. ...
Forum: Science, Mathematics, Medicine, and Technology 31st August 2014, 04:18 PM
Replies: 15
Views: 2,194
Posted By ellindsey
There is no edge of the universe. The universe...

There is no edge of the universe. The universe exploded everywhere at once. Your friend seems to be picturing the universe as having exploded in one place and expanding out into empty space, with a...
Forum: Conspiracies and Conspiracy Theories 23rd April 2014, 06:41 AM
Replies: 116
Views: 13,828
Posted By ellindsey
No, it wasn't. A man on an oil platform says he...

No, it wasn't. A man on an oil platform says he saw something burning in the sky in the general direction of the place where the airplane disappeared. However, at the time it would have been...
Forum: Science, Mathematics, Medicine, and Technology 2nd January 2014, 10:57 AM
Replies: 27
Views: 1,494
Posted By ellindsey
You really want to move beyond ReplicatorG, it's...

You really want to move beyond ReplicatorG, it's pretty badly out of date now. I've started using Cura for my slicer lately, and I'm liking it a lot. Used to use Slic3r, but Cura is faster, smarter,...
Forum: Science, Mathematics, Medicine, and Technology 8th November 2013, 10:52 AM
Replies: 30
Views: 3,869
Posted By ellindsey
Take a look at everything on this site and see if...

Take a look at everything on this site and see if someone already had the idea:

http://www.douglas-self.com/MUSEUM/POWER/unusualICeng/unusualICeng.htm
Forum: Social Issues & Current Events 12th July 2013, 01:45 PM
Replies: 28
Merged: 787 Dreamliner
Views: 3,027
Posted By ellindsey
This fire doesn't seem to be due to the...

This fire doesn't seem to be due to the batteries, at least. The fire seems to have been just ahead of the tail, in the crew rest area. The batteries are located further forward.
...
Forum: Science, Mathematics, Medicine, and Technology 11th July 2013, 10:15 AM
Replies: 54
Views: 2,704
Posted By ellindsey
Yep, the DC-X was supposed to be a single-stage...

Yep, the DC-X was supposed to be a single-stage to orbit reusable vehicle. That turns out to be very hard to build.

Space X is working on a two-stage vehicle, which is a lot easier to build than...
Forum: Science, Mathematics, Medicine, and Technology 9th July 2013, 10:13 AM
Replies: 54
Views: 2,704
Posted By ellindsey
The plan as I understand it is that once the...

The plan as I understand it is that once the second stage separates, RCS on the first stage turns it until it is pointed horizontally in the direction it's traveling. The center engine re-lights and...
Forum: Science, Mathematics, Medicine, and Technology 10th June 2013, 10:59 AM
Replies: 27
Views: 1,515
Posted By ellindsey
One important thing to keep in mind is that 3D...

One important thing to keep in mind is that 3D printers are nowhere even remotely close to being as fast or cost-efficient as conventional mass-production technologies for making large numbers of...
Forum: Science, Mathematics, Medicine, and Technology 8th May 2013, 12:43 PM
Replies: 131
Views: 6,943
Posted By ellindsey
Really doubtful. Identifying banknotes is...

Really doubtful. Identifying banknotes is possible because there is an exact known pattern to compare against. There are countless possible ways to build a gun, so your printer would have to be...
Forum: Science, Mathematics, Medicine, and Technology 24th April 2013, 09:47 AM
Replies: 60
Views: 6,185
Posted By ellindsey
Yaw and pitch steering is controlled by pivoting...

Yaw and pitch steering is controlled by pivoting the single engine at the bottom. Roll control is by directing the turbopump exhaust through a steerable nozzle on the side of the engine. As far as...
Forum: Social Issues & Current Events 18th April 2013, 12:54 PM
Replies: 142
Views: 11,826
Posted By ellindsey
I would doubt that myself. Video I've seen of...

I would doubt that myself. Video I've seen of BLEVEs seem to show a fireball that grows in intensity and size over a period of a few seconds. The videos of this explosion seem to show a more sudden...
Forum: Conspiracies and Conspiracy Theories 16th April 2013, 01:52 PM
Replies: 1,708
Views: 186,520
Posted By ellindsey
I'm sure that a law to ban the sale of pressure...

I'm sure that a law to ban the sale of pressure cookers will be passed any day now.
Forum: Social Issues & Current Events 15th February 2013, 07:45 AM
Replies: 111
Views: 5,487
Posted By ellindsey
That's not the crater, that's a natural gas fire...

That's not the crater, that's a natural gas fire that's been burning for years.

http://en.wikipedia.org/wiki/Door_to_Hell
Forum: Science, Mathematics, Medicine, and Technology 31st January 2013, 12:32 PM
Replies: 40
Views: 7,151
Posted By ellindsey
Tesla believed that nuclear power was physically...

Tesla believed that nuclear power was physically impossible and that the theory of Relativity was pure delusion that would soon be proven false. Tesla was wrong about a great many things.
Forum: General Skepticism and The Paranormal 24th January 2013, 09:21 PM
Replies: 581
Views: 154,954
Posted By ellindsey
They work by quantum.

They work by quantum.
Forum: General Skepticism and The Paranormal 17th January 2013, 02:29 PM
Replies: 180
Views: 15,131
Posted By ellindsey
http://en.wikipedia.org/wiki/Solifugae Not...

http://en.wikipedia.org/wiki/Solifugae

Not cryptid at all, although their size and abilities are often wildly exaggerated.
Forum: General Skepticism and The Paranormal 16th January 2013, 07:48 AM
Replies: 180
Views: 15,131
Posted By ellindsey
Cryptids also usually include animals believed to...

Cryptids also usually include animals believed to be extinct by science, but claimed by cryptozoologists to still exist. Thylacines or ivory-billed woodpeckers would be counted as cryptids that way....
Forum: General Skepticism and The Paranormal 15th January 2013, 08:28 PM
Replies: 180
Views: 15,131
Posted By ellindsey
Ivory-billed woodpecker?

Ivory-billed woodpecker?
Forum: General Skepticism and The Paranormal 24th October 2012, 12:27 PM
Replies: 1,097
Views: 100,153
Posted By ellindsey
I consider her to be vastly more worthy of...

I consider her to be vastly more worthy of listening to than you.
Forum: Science, Mathematics, Medicine, and Technology 9th October 2012, 01:03 PM
Replies: 67
Views: 4,364
Posted By ellindsey
When you push (or pull) on the end of the rod,...

When you push (or pull) on the end of the rod, you are essentially creating a pressure wave that will move through the rod until it reaches the other end. This is really no different than a pressure...
Forum: Science, Mathematics, Medicine, and Technology 9th October 2012, 12:17 PM
Replies: 67
Views: 4,364
Posted By ellindsey
Information propagates through matter at the...

Information propagates through matter at the speed of sound in that matter. The speed of sound through any matter will always be less than the speed of light. This is because the information about...
Forum: Science, Mathematics, Medicine, and Technology 8th October 2012, 04:42 PM
Replies: 4
Views: 1,357
Posted By ellindsey
It does appear to have cost them their secondary...

It does appear to have cost them their secondary payload. This launch had a primary payload of the Dragon capsule headed to ISS, and a secondary payload of an Orbcomm satellite. The second stage of...
Forum: General Skepticism and The Paranormal 7th October 2012, 07:52 AM
Replies: 110
Views: 13,578
Posted By ellindsey
Arguably, even if you have ironclad cases of...

Arguably, even if you have ironclad cases of children remembering previous lives, with details that they would have had no way of knowing that can be independently verified as correct, you still...
Forum: Science, Mathematics, Medicine, and Technology 25th August 2012, 08:33 AM
Replies: 50
Views: 5,282
Posted By ellindsey
There actually isn't any good evidence that the...

There actually isn't any good evidence that the event even happened at all. The only witness to describe it was Tesla himself, years after it allegedly happened.
Forum: Science, Mathematics, Medicine, and Technology 24th August 2012, 07:35 PM
Replies: 50
Views: 5,282
Posted By ellindsey
Not very. It's full of exaggerations,...

Not very. It's full of exaggerations, half-truths, and outright lies.

http://www.forbes.com/sites/alexknapp/2012/05/18/nikola-tesla-wasnt-god-and-thomas-edison-wasnt-the-devil/
Forum: Conspiracies and Conspiracy Theories 22nd August 2012, 01:43 PM
Replies: 111
Views: 8,541
Posted By ellindsey
The skycrane was not capable of independent...

The skycrane was not capable of independent landing because it was dependent on systems in the rover. In order to land and do useful work, it would need its own power supply (nuclear or solar),...
Forum: History, Literature, and the Arts 1st August 2012, 06:38 AM
Replies: 123
Views: 11,726
Posted By ellindsey
The page seems to be working fine for me.

The page seems to be working fine for me.
Forum: Science, Mathematics, Medicine, and Technology 31st July 2012, 07:56 AM
Replies: 23
Views: 2,486
Posted By ellindsey
You can't design an arrangement of magnets that...

You can't design an arrangement of magnets that imparts a constant torque to the rotor with no energy input. A stationary magnet that pushes against a magnet on the rotor so as to speed up the rotor...
Forum: Social Issues & Current Events 20th July 2012, 03:24 PM
Replies: 825
Views: 58,625
Posted By ellindsey
Wait, the Joker's hair is green, not orange. ...

Wait, the Joker's hair is green, not orange. Obviously an imposter.
Forum: General Skepticism and The Paranormal 18th July 2012, 01:46 PM
Replies: 3,979
Views: 291,871
Posted By ellindsey
Something is happening outside. The sky has...

Something is happening outside. The sky has suddenly gone dark. There are rumbling sounds and flashes of light. The wind seems to be picking up...

Wait, it's just a thunderstorm.
Forum: Science, Mathematics, Medicine, and Technology 1st July 2012, 06:46 AM
Replies: 27
Views: 1,858
Posted By ellindsey
In any heat engine, the energy conversion...

In any heat engine, the energy conversion efficiency is directly related to the temperature difference between the hot side and the cold side. Nitinol can work with a tiny difference in temperature...
Forum: Social Issues & Current Events 29th June 2012, 08:53 AM
Replies: 29
Views: 1,657
Posted By ellindsey
Extraction of uranium from seawater has been...

Extraction of uranium from seawater has been demonstrated. The amount of uranium in the oceans is essentially impossible for us to use up, especially since new uranium is constantly leaching into...
Forum: Science, Mathematics, Medicine, and Technology 27th June 2012, 11:12 AM
Replies: 127
Views: 4,817
Posted By ellindsey
It isn't a matter of dogma. It's a matter of...

It isn't a matter of dogma. It's a matter of math. The math proving that the force inside the sphere is zero was presented to you fairly early on. You don't have to accept anyone's authority to...
Forum: Science, Mathematics, Medicine, and Technology 24th June 2012, 04:00 PM
Replies: 127
Views: 4,817
Posted By ellindsey
If you don't like the wiki page for some reason,...

If you don't like the wiki page for some reason, this page:

http://www.sparknotes.com/physics/gravitation/potential/section3.rhtml

also goes through the math of the shell theorem. I'd...
Forum: Science, Mathematics, Medicine, and Technology 24th June 2012, 03:48 PM
Replies: 127
Views: 4,817
Posted By ellindsey
This: Still applies. Show your math. ...

This:



Still applies. Show your math. Actually, it would help if you actually showed that you had read and understood the page explaining the shell theorem to begin with.
Forum: Science, Mathematics, Medicine, and Technology 24th June 2012, 12:40 PM
Replies: 127
Views: 4,817
Posted By ellindsey
Agreed. The math is clear on the subject. If I...

Agreed. The math is clear on the subject. If I Ratant isn't willing to even look at the math, he's either trolling or simply impossible to educate.
Forum: Science, Mathematics, Medicine, and Technology 22nd June 2012, 07:25 PM
Replies: 127
Views: 4,817
Posted By ellindsey
So, are you disputing math, or are you claiming...

So, are you disputing math, or are you claiming Newton's law of gravity is wrong?
Forum: Science, Mathematics, Medicine, and Technology 22nd June 2012, 06:07 PM
Replies: 127
Views: 4,817
Posted By ellindsey
So, you didn't actually look at the shell theorem...

So, you didn't actually look at the shell theorem page, then? You really should. About two-thirds of the way down the page there's a section labeled 'Inside a shell' that discusses the '-inside- a...
Forum: Science, Mathematics, Medicine, and Technology 22nd June 2012, 04:12 PM
Replies: 127
Views: 4,817
Posted By ellindsey
Please re-read this page, and then point out...

Please re-read this page, and then point out where the math is in error.

http://en.wikipedia.org/wiki/Shell_theorem
Forum: Science, Mathematics, Medicine, and Technology 22nd June 2012, 12:52 PM
Replies: 127
Views: 4,817
Posted By ellindsey
Then you had better go to the wiki page about the...

Then you had better go to the wiki page about the shell theorem and show them where their math is wrong.
Forum: Science, Mathematics, Medicine, and Technology 21st June 2012, 10:27 AM
Replies: 127
Views: 4,817
Posted By ellindsey
It is further away, but there is much more of it....

It is further away, but there is much more of it. The gravitational attraction of the far side of the shell exactly counters the gravitational attraction of the near side of the shell. This can be...
Forum: Science, Mathematics, Medicine, and Technology 10th June 2012, 07:41 PM
Replies: 18
Views: 2,022
Posted By ellindsey
A bit. You can hear lightning bolts fairly far...

A bit. You can hear lightning bolts fairly far away on an AM radio from the amount of EM they put out.

I'm thinking that the 'obstruction sensors' you mention, and the wires running from them to...
Forum: Science, Mathematics, Medicine, and Technology 10th June 2012, 07:12 PM
Replies: 18
Views: 2,022
Posted By ellindsey
I had something similar happen years ago, when...

I had something similar happen years ago, when lightning struck a tree in our front yard, and random appliances throughout the house and garage stopped working despite no direct connection to the...
Forum: Science, Mathematics, Medicine, and Technology 5th June 2012, 08:43 AM
Replies: 62
Views: 2,036
Posted By ellindsey
In order for technological advancement to...

In order for technological advancement to completely end evolution, we would have to reach a state where all people had the same number of children regardless of their genetic makeup. Genetics would...
Forum: Science, Mathematics, Medicine, and Technology 4th June 2012, 09:20 AM
Replies: 23
Views: 3,432
Posted By ellindsey
What if any fusion reactions use helium-4 as a...

What if any fusion reactions use helium-4 as a fuel? Helium-3 is a possible fuel for certain reactions, but that's essentially non-existent on earth anyway.
Forum: Science, Mathematics, Medicine, and Technology 24th May 2012, 04:42 PM
Replies: 100
Views: 10,315
Posted By ellindsey
I suspect that 'Propane Fueled' may in this case...

I suspect that 'Propane Fueled' may in this case mean 'The crank is being turned by a conventional propane-burning IC engine off-screen'.
Forum: Science, Mathematics, Medicine, and Technology 24th May 2012, 04:15 PM
Replies: 120
Views: 9,889
Posted By ellindsey
The earthquake by itself did not cause the...

The earthquake by itself did not cause the meltdowns. The plants were knocked offline by the earthquake, but were still intact and had working emergency cooling systems. The meltdowns occurred...
Showing results 1 to 50 of 201

 
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