1879 posts • joined 24 Mar 2010
Halt and Catch Fire
I think that was Motorola 6800 or 6809 CPUs - I can't remember
this is a laserjet issue I understand
"a component used to dry ink"
That'd be the fuser used to melt toner onto the media
Re : Re: Ah !
I've still got a chart of the (gigantic) number of op-codes on my study wall. Spent a long time writing 6809 assembler including a floppy disk driver & formatter for my home-brew Forth system
Simpler days !
For those who wonder why Branch Always is useful ..
Using a sub-set of 6809 op-codes you could write true position-independent code and I think BRA was the JMP relative version of JMP
6809 - yes !
"Don't these things get used in labs anymore"
Less and less - they use an enormous amount of water unless a pump recirculates in a closed system.
"not a 15mm reduction from atmospheric pressure."
A lab water pump will get to ~~15mm Hg absolute .
"just use the huge PSU caps"
They self-discharge far too quickly
"didn't we recently find some lifeform which lacks carbon"
To give a fuller answer ..
No you were wrong about the arsenic bit.
The reason why carbon seems so important is that it's got a lot of useful properties all in the one element
It can bond with 2,3 or 4 other atoms either with single. double, aromatic or triple bonds. It's reactivity can be altered relatively easily to make or break bonds. Long carbon chains can be relatively stable. Other elements don't have all or most of these properties. I could go on but it would end-up being a text-book in organic chemistry.
Just tried that ..
on my aging laptop and got a 1GB file in ~15 secs.
How fast can you sidle ?
"world is so much better off in having the Windows standard"
Shouldn't that be -
"Microsoft is so much better off with the world being forced to have Windows as standard" ?
"Rossi had better be nominated for the 2012 Chemistry Nobel... !"
Ha, ha, ha ......
What they want for the generators ..
is Pu 238 which is not fissile but generates a high decay heat
"Where are all the space/time believers?"
Every time anyone uses a GPS they are getting data that has been adjusted for the effect of spacetime being distorted by Earth's mass.
This is the most blatant ignoring of data ..
That I've read in a long time.
No wonder you're an AC
"universe to 'see' another approaching it at >2.0c "
Worst than that.
The two proton beams at the LHC each almost travel at c. To an observer outside the beam it appears that the closing speed is ~2c, but to an observer traveling with a proton the closing speed will always appear to be <c
It's one of the reasons relativity always appears so bizarre to non-relativitists Worth looking up 4-velocity.
"Space-time is already bent by gravity"
That's not General Relativity - it's almost the opposite
The presence of matter & energy curves spacetime - the effect of moving through 'bent' spacetime is *perceived* as a fictitious force called gravity.
"trying to do is simply explain the findings"
Oh, good grief !!
What they will be doing first is to try and duplicate the finding, preferably somewhere else with different equipment
Only on the basis of good hard experimental results that disagree with SR ( which has HUGE existing experimental support ) will there be a need for theorists to get involved.
Anything else is pure speculation for speculation's sake
"the cosmos is regenerated"
So was it or was it not regenerated ~5200 years ago ?
Must check the house insurance.
Used extensively in the fine chemical industry - it's a high-boiling point dipolar aprotic solvent meaning it has a high dipole that helps to solubilize materials but isn't capable of ionizing under 'reasonable' conditions.
Reading the data sheet is a bit like looking up your symptoms in a medical dictionary - scary
With correct handling, ventilation and recycling it's no problem. Doesn't mean that you should be using it in a 'normal' inkjet printer though
a pencil !
"You seem to believe you're an expert on this topic.."
I don't need to tell you anything - you already seem to know it all
As for Are they moviing faster than C?
Or are they traveling on a shorter path?
Until the experiment has been repeated by independent labs using diff.equipment then there isn't anything to explain.
As several other people have pointed out your understanding of GR's explanation for gravity is deeply flawed.
"Except that neutrinos don't seem to be effected by gravity."
Why do you keep repeating this - there's no evidence whatsoever that it's true !
Even photons with no rest mass are affected by gravity as predicted by GR
I've just looked at the detector web-site. The detector stack is 25 m long ! so the transit time for a light speed particle would be about 80nS
I assume the detection events are found over the entire length and then averaged in some way
"only releasing it 3 hours later"
Photons interact STRONGLY with matter - that slows them down - that's why light travels slower than c in matter
"And since established theory forbids superluminal travel"
AFAIK it only forbids superluminal speeds* in a vacuum, but in anything else where light is traveling at less than c then these sort of effects (e.g. Cherenkov radiation) are seen.
* Yes, I know the theory only actually forbids reaching light speed not travelling faster
"tunnel through the c barrier "
My understanding of tunneling is that it can ONLY occur if the energy barrier is finite. It then becomes a question of what that means for a FTL transition
"ize and composition of a star 168,000 light years away "
Well try this - for our local star - on average it takes many,many years for a photon, once generated as a gamma ray, to escape from the sun due to the dense interactions in the core.
It's more likely ...
they'll have already read HHGG and will turn up expecting Bournemouth ( or was it Eastbourne ?) to be 'one of the most exciting places in the galaxy'
"Synthetic fuel is actually quite old"
Mostly made by hydrogenating coal !
I've just been in B&Q
and they had 50W equivalents on the shelf with 25 years printed on the packaging.
Mind I think they were @30GBP
"It's about time boffins took this idea seriously."
There's no need to take this seriously - if life can evolve in such diverse conditions you'd basically have to look almost everywhere so why not leave it at that.
"Conservation laws are already gone #"
Particles created near black holes are effectively taking mass from the black hole which will eventually vanish ( if no matter replenishes the black hole ) This is exactly why micro black holes are thought to have a very short lifetime and hence if the LHC somehow managed to create any it wouldn't be a problem
"Poor thing must be busting for the litter tray"
It might be or maybe not - you'll have to look
It would be best ...
if they were standards compliant, clear and up-to-date - forget the eye-candy.
The 6502 was mostly designed by a Motorola team but they moved to MOS when Motorola didn't want the design. THE Motorola 8-bit was the 6809
How many more times...
"Five hundred years ago, everybody knew the Earth was flat"
Almost everyone who THOUGHT about it didn't think it was flat. Most people weren't bothered either way. Sailors and anyone living near the coast knew if wasn't flat, ships would slowly 'sink' below the horizon and then come back
"hat all the possible errors fell well short of 60 nanoseconds."
All the random errors. Doesn't say anything about systematic errors like the clocks and distances.
This latest experiment suggests that one possible systematic error is not the reason for the observed 'speed'
Re : Is this really new?
That's because light interacts strongly with matter so takes some time to escape from the super nova whereas neutrinos don't so set off first at almost c.
"Have they tried firing them in the opposite direction"
I don't think anyone wants to build another CERN accelerator in Italy unless it's absolutely necessary.
Re :"What about the poles? "
The apparent rotation of the earth would be zero as the satellite is intended for geostationary orbit.
It's intended for geostationary - in any case how else would it be able to point at a receiver array ?
I make it ~0.9c but I take your point. It does point out the difficulty ( I mean impossibilty ) of fuelling any type of ship intended for such speeds. Any fuel mass just becomes more mass to accelerate .... recurses !
"Do we *know* that matter...... "
Well of course we do - Dan Brown cleared that up years ago
"But I'm curious to know..."
"but hoping this isn't a sham.."
"reboot 14 times"
Nah, mine will run Linux
As I said "it's still one very large number ( of targets) of which we are 1."
I assumed they may well send multiple probes it's just that the number of 'local targets' is enormous. I think probes doing 'grand tours' is rather far-fetched and in any case would take a long, long time.
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