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- camaroz06, on 05/13/2009, -7/+171Its not breaking the sound barrier. The B-2 is a subsonic bomber, some wackos will tell you that the cloud is a result of the B-2's anti-gravity drive since they refuse to believe that such a plane could actually fly even though the flying wing very efficient is not the most efficient form a airplane could take.
- RumpleForeskin3, on 05/13/2009, -5/+127Looks like my car when I hit the NOS button, brah
- greggerm, on 05/13/2009, -0/+97BURIED due to inaccurate headline on both the submitters part and the part of the original article.
- johnny4727, on 05/13/2009, -1/+72Agreed. "Its unmistakable teardrop profile is shrouded in the blur of a condensation cloud as it reaches high subsonic speed." Subsonic being the key word there my friends. Its fast but its not hypersonic fast. Still a great photo regardless.
- CaesarBlue, on 05/13/2009, -2/+71A sonic boom occurs when the source of the sound is going faster than the speed of the sound wave. But this kind of phenomenon is not limited to sound waves--it occurs in ANY kind of wave whenever the thing producing the waves is moving faster than the wave itself. Whenever that happens, you get a wedge-shaped energy front that trails behind the source. In the case of sound, the energy consists of concentrated noise, so you hear BOOM when it passes you. Another common example is the wedge-shaped "wake" produced by boats in the water. It's produced because the boats travel faster than water waves. When a wake runs into you, it feels like you've suddenly been hit bit a big wave--a kind of BOOM.
In order to achieve the same thing in light, you'd have to find something that could travel faster than a light wave. Normally that's impossible, because nothing can travel faster than "c", the speed of light in a vacuum.
However, light slows down considerably when it travels through something that's not a vacuum (e.g. water, glass, etc.). In special cases (such as in nuclear reactors), you can get light to go slowly enough and particles to go fast enough that the particles actually go faster than the light is able to travel through that substance. When this happens, you get the equivalent of a sonic boom--a cone-shaped concentration of light energy trailing behind the particle. It's called "Cerenkov radiation" and is actually visible as a blue glow emanating from the substance. You can find lots of pictures of it on the web: here's one: (http://www.spectrum.ieee.org/print/4891 ) - ophello, on 05/13/2009, -4/+64CONDENSATION CLOUDS ARE NOT SOUND BARRIER SHOCK WAVES.
- inactive, on 05/13/2009, -2/+41Never thought I would type this, but dugg for "brah"
- waspbr, on 05/13/2009, -0/+33it's subsonic, it is not breaking the sound barrier, it gets close, but it still not a transonic plane
- Chirp08, on 05/13/2009, -0/+32Such a badass looking plane
- flarn2006, on 05/13/2009, -6/+37Yes, but it still can't run Crysis.
- paulieman, on 05/13/2009, -6/+37Oxymoron: Stealth bomber creates sonic boom
- askjeffro, on 05/13/2009, -1/+29Light produces no sonic boom because light does not displace air.
The displacement of air is what causes the sonic boom affect.
The fact that light has "no mass" as some have indicated is irrelevant. - HydroSkim99, on 05/13/2009, -0/+25Made public in the 80's...29 years later what top secret plane do we have now I wonder?
- camaroz06, on 05/13/2009, -1/+24Light is one strange mofo, its a particle, no wait its a wave...ahhhhhhhh
- frostbyt, on 05/13/2009, -6/+29Is that fast?
- proliance, on 05/13/2009, -0/+22No
- jba68, on 05/13/2009, -9/+30how do you know it was stealth? Flying wing, yes. Stealth, no.
- radiohack, on 05/13/2009, -0/+21not a supersonic shockwave, bu ta Prandtl-Glauert singularity
http://en.wikipedia.org/wiki/Prandtl-Glauert_singu ... - avatar28, on 05/13/2009, -0/+20And to complete the nerdiness, you know the big flash on the newer Star Trek shows when the ship goes to warp? Yep, that's Cherenkov radiation. :-)
- inactive, on 05/13/2009, -5/+24Asking for physics lessons on digg is like shaking the Stupid Tree to see what falls out.
Good luck. - kcfreels, on 05/13/2009, -0/+18yes, it's a B-2 Spectre STEALTH BOMBER. It's a flying wing too, but you're a dumbass.
- gametavern, on 05/13/2009, -1/+19Sometimes they bombs they drop make noise too.
- mparker21311, on 05/13/2009, -0/+17You can afford NOS during this rough economy?
- dystra, on 05/13/2009, -0/+16THIS IS SERIOUS ***** BUSINESS PEOPLE!
- slimkevi, on 05/13/2009, -1/+16Oh Flight of the Navigator... I love that movie!
- Dalhectar, on 05/13/2009, -0/+15That should have flown over Manhattan instead of Air Force One.
- Defiant001, on 05/13/2009, -11/+25Its breaking into the sound barrier, how stealthy of it..
- SneakyNinja, on 05/13/2009, -3/+17Wow... just wow. Breaking the sound barrier or not, that's still an awesome picture.
- retral, on 05/13/2009, -4/+17It looks like you're using spelling/grammar from the second grade.
- IceColdKila, on 05/13/2009, -1/+14#1. I had one of these fly over a few times at the Ft. Lauderdale Air show in 2003. Its weird because when its at an angle at a distance its a thin wedge that you can barely see. But as it banks the Stealth seems to magically grow into a huge flying wedge that makes no sound as it flies over head. (its very quiet)
#2. Theres just something about 1 million people collectively gasping as it flies over head I'll never forget it.
#3. I always thought these were slow subsonic, if they have been upgraded to Super-sonic faster than sound flight this is a major achievement. - j0hn, on 05/14/2009, -0/+13VTEC JUST KICKED IN YO
- inactive, on 05/13/2009, -2/+15Caps lock: the sound barrier shock wave of the english language.
- samgab, on 05/13/2009, -0/+12Yeah, you use scales for that.
- DiggUmFrog, on 05/13/2009, -0/+12That bomber is ***** awesome. Engineers blow my mind sometimes.
- inactive, on 05/13/2009, -2/+13That's not the answer, it's completely, utterly, wrong. You've just been thumped on the head by a big ugly fruit from the Stupid Tree. Congratulations.
Light is a point particle, it has no volume nor any rest mass. It's velocity has nothing to do with it. Not to mention light is absorbed and reemitted by the air itself thus does not displace the medium, and even if it did the result would be far below the range of human perception.
I don't know why I bother. - jaredh999, on 05/13/2009, -0/+11Agreed, condensation cloud not a shock wave, but still interesting pic.
- inactive, on 05/13/2009, -1/+12Then why does the Space Shuttle produce a sonic boom when it reenters the atmosphere at Mach 20?
Here is a good example of the fruit that falls out of the afore mentioned tree. - UnknownTarget, on 05/13/2009, -2/+13Just because it is a "flying wing" does not mean it's stealth. It may have less radar signature than a regular aircraft (sometimes), but that does not mean it's stealth, it just means that if a regular plane looks like a basketball on radar, the flying wing would look like an overinflated volleyball - the difference is not that great, I believe.
What makes the B-2 stealth is it's shape, it's special paint, and other design decisions such as recessing the intakes and exhausts on the top of the aircraft, and other things. - doctechnical, on 05/13/2009, -0/+10It's the Pig-Pen of stealth bombers - it flies around in it's own cloud of dust.
(well that's what it looks like :) - leemanuf, on 05/13/2009, -6/+16America...***** yeah!
- SkyPimp, on 05/13/2009, -3/+13Npt possible. Buried as inaccurate.
- scarwars, on 05/13/2009, -0/+10I love the picture of the stealth blimp beside the content list.
- inactive, on 05/14/2009, -0/+9"The photo is from high supersonic speeds"
No. From high SUBsonic speeds.
Maximum speed on the B2 is under Mach 1. - HouseofEl, on 05/14/2009, -1/+10So people are digging him down for asking a question? God forbid someone on Digg actually tries to learn something.
- inactive, on 05/13/2009, -2/+11AGH!!!!! SENTENCE STRUCTURE PLZ!
- waspbr, on 05/13/2009, -0/+9nope, subsonic
- spdaniel91, on 05/13/2009, -0/+9Not supersonic:
http://en.wikipedia.org/wiki/B-2:
Performance
* Maximum speed: Mach 0.95 (525 knots, 604 mph, 972 km/h)
Still.. Fast. - ToneQuality, on 05/13/2009, -0/+8Saw one of these for a flyover at one of FSU's home games last year. Coolest ***** thing ever.
- vdog, on 05/13/2009, -2/+10"Its unmistakable teardrop profile is shrouded in the blur of a condensation cloud as it reaches high SUBSONICspeed."
If you fail to read the article in question, or worse- you deliberately mislead, you will be buried.
Have a nice day. - SasquatchBill, on 05/14/2009, -0/+8samgab, you weigh your *****?
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