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70 Comments
- bimtott, on 03/07/2008, -0/+53What I want to know is, what clock do they use to set this clock? THAT'S the one I want.
- JimSartor, on 03/07/2008, -0/+38Let's see . . . 1.6 quadrillionths of 1 percent per year. That measures out to about . . . well if this clock had been present at the big bang, it would be off by about 8 minutes. I'm not impressed . . . much.
- bromac, on 03/07/2008, -0/+21So if I make an observation of time on this clock, does the time change?
- EvilFerret, on 03/07/2008, -0/+15You know you're a nerd when ......
- noremacstew, on 03/07/2008, -0/+14proof that some individuals shouldn't multi-tab digg.
- hokie47, on 03/07/2008, -1/+14Mathematically we know what time it should be by looking at the sun and the other stars. The time we use is not universal, and this is why I only use stardates. My boss got mad at me when I formated the time stamp for one of our online systems as a stardate. Forget UNIX time stamps I say.
- eighties, on 03/07/2008, -0/+12I'm pretty sure that I'll still be 10 minutes late for work on Monday.
- Innisskillin, on 03/07/2008, -0/+12"Both the aluminum clock and the mercury clock are based on ions vibrating at optical frequencies.."
Not only can this clock accurately track my epic fail in the bedroom, but it may as well take my place. - inactive, on 03/07/2008, -0/+12does that come in a digital watch?
- TheUngod, on 03/07/2008, -0/+11Do you also only drink tea, earl grey, hot?
- robme, on 03/07/2008, -0/+11only if you're eating string cheese
- sockpuppets, on 03/07/2008, -0/+10Apparently the quantum clock has created a rip in the digg/netflix continuum.
- chrissku, on 03/07/2008, -0/+7More precise then my Seiko? Please.....
- hokie47, on 03/07/2008, -0/+7I hear many people say why in the world do we need such precise clocks and I tell them very precise clocks are the key to navigation.
- EvilFerret, on 03/07/2008, -0/+7John if you're in here we're going to eat dinner at 54th Street Bar, meet us there at 7.
- lnxfi, on 03/07/2008, -1/+8How can they measure something that is even more sensitive then the instruments they are using?
- Firi, on 03/07/2008, -0/+6How did you get 8 minutes? I got about 7 seconds: http://www.google.com/search?hl=en&client=firefox- ...
((1.6 quadrillionths) of (1 percent)) times 13.73 billion years = 6.9324255 seconds - spyd3rweb, on 03/07/2008, -0/+5Ok how many billions did this clock cost?
- RealmDown, on 03/07/2008, -1/+6wtf?
- inactive, on 03/07/2008, -1/+6Even more proof that you're a ***** moron.
- thephuckphase, on 03/07/2008, -1/+6even if there was a vast difference, unless you plan on venturing through the universe it doesnt matter. you show up to class and the teacher chastises you for being five minutes late. and you say, "well my quantum watch says im five minutes early bitch!' all that matters is the world time that circulates in our society, not real time. its why we have religion, to give us a false hoped perception of reality in our society, even though it is far from the reality of the universe. Its why we all try to dress, act, and be different from everyone else to gives us the perception of individuality, even though we are all alike. dont believe me? well everything you say and everything you think is the result of hearing of someone else saying or thinking that before. these are not your thoughts, they are borrowed, and soon you will pass those thoughts onto someone else. this clock is great for the universe, irrelevent to our Society.
- priegog, on 03/07/2008, -0/+4I might be worng, but I'm pretty sure measuring that time lapse is precisely the way GPS works... Any expert on this issue?
- Ascus, on 03/07/2008, -0/+4How do they know its more accurate? What did they use to calibrate it? And does it come with a Snooze button?
- SirDomino, on 03/07/2008, -0/+4I'm guessing it can only track localized space time and doesn't take into account for gravitational distortions that are present throughout our planet, orbits, and solar system let alone the entire universe.
- RealmDown, on 03/07/2008, -0/+4Only if you call to order yours in the NEXT TEN MINUTES.
Wait! there's more..... - djepik, on 03/07/2008, -1/+4Awesome, this will eventually translate into much more accurate GPS. Most of the inaccuracies in GPS are because of the time lapse of information sent from satellite to receiver.
- TomFrost, on 03/07/2008, -1/+4http://www.google.com/search?q=How+does+GPS+work
- Mhykol, on 03/07/2008, -0/+3by RealmDown 13 minutes ago - damnit too late
- Ramble, on 03/07/2008, -0/+3How do you mean?
Optical (or trapped ion) clocks like the Hg+ clock and this Al clock convert the optical frequencies used (which can can't directly count) to microwave frequencies (which can can count). - Djerrid, on 03/07/2008, -0/+3"The comparison produced the most precise results yet in the worldwide quest to determine whether some of the fundamental constants that describe the universe are changing slightly over time, a hot research question that may alter basic models of the cosmos."
Now THAT is the really interesting question. - jrizzo, on 03/07/2008, -0/+3I'm a quantum chicken kinda guy.
- jrizzo, on 03/07/2008, -0/+3Vodka Martini, shaken, not stirred.
- Ramble, on 03/07/2008, -0/+3All atomic clocks are set so time is accurate at mean sea level.
- endlessoul, on 03/07/2008, -0/+2Oh, that's very punny.
- Ascus, on 03/07/2008, -0/+2If they are more accurate, what are they correcting?
- Classico, on 03/07/2008, -0/+2This was so much win to read.
- shartman, on 03/07/2008, -0/+2There comes a point where you just have to say.... "and I care because?"
- RobotMojo, on 03/07/2008, -0/+2If it doesnt have a rubber wrist strap and a calculator i'm not buying it
- Ramble, on 03/07/2008, -0/+2Nice, when I last read up on optical clocks the Al clock was just a far off dream. Can't be too long until this is standard.
- docsavatchniya, on 03/07/2008, -0/+2dugg for leading me to this link...
http://www.physorg.com/news124034968.html
peace...
doc - TobiasParker, on 03/07/2008, -0/+2So is this clock simultaneously wrong and right at the same time?
- DemonDomen, on 03/18/2009, -0/+1Lucky you, mine is telling me that it's 137 years...
- Spetz, on 03/08/2008, -0/+1These clocks don't measure time, they define it. Time is relative.
- priegog, on 03/07/2008, -0/+1You know you're a nerd when you make these kind of jokes.
Awesome tho, this is why I love Digg... I can't even begin to imagine the awkwardness I'd get if I said a joke like this in my class. - Ramble, on 03/07/2008, -0/+1Use existing atomic clocks and check against the movement of the planets.
- Ramble, on 03/07/2008, -0/+1It's the fundamental way they work. Atomic clocks don't actually directly tell the time, a normal quartz clock does that. The quartz component is linked into whatever the atomic clock is running on (caesium, trapped ions, whatever) and if the quartz drifts then the frequency of it is sweeped until it hits upon the right one (where the atomic stuff comes in).
- JimSartor, on 03/10/2008, -0/+1you and your fancy math . . . pullleeeeze! I dont need no math to do math problems.
P.S.
Thanks for the correction. I didnt use Google like I should've, I used windows calculator and my brain was confused by all the damn zeros. - solarwind24, on 03/07/2008, -1/+2You moron, you're missing the point. The clock is accurate measuring time relatively...
- docsavatchniya, on 03/07/2008, -0/+1i'm not John, i'm doc...
peace... - aaronfly, on 03/07/2008, -0/+1I use GPS everyday in my airplane, and you're right GPS measures everything from time lapse, but a more accurate clock won't result in any increase in accuracy. The reason there are inaccuracies is because the atmosphere slows down the signal from the satellite and so the GPS receiver can be exactly sure when the signal left the satellite. The government's channel is more accurate because they have two frequencies to average to get closer to the exact time the signal left the satellite. In airplanes we have to use a different signal from a WAAS satellite to increase our accuracy, wish the government would decrypt their L2 signal.
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