As far as I can tell, ultrasonic atomizers run around 30 to 40 kHz and this should be similar (there might be important differences I'm not thinking of though). And a dog's range of hearing is generally considered to be up to around 45 kHz.

So, to answer your question, I have no idea.

That's just, like, your opinion, man. ;-) I wouldn't rely on that position to help in court.

If you're really studying firearm design, you surely know different safety devices are on different firearms. Not having a certain device is different from inexpertly removing one.

Xray inspection isn't the only method, there's dpi (dye penetrant inspection) , magnetic particle, ultrasonic, eddy current testing, etc. I would be surprised to find a competent gunsmith that had never done at least one of those...I've done it for car parts in my garage, cheaply and easily.

How many videos would I find of well maintained factory condition firearms malfunctioning and discharging? I would expect that to be quite rare.

Thanks to safety features and decent quality control, unintentionally discharging is almost always user error, not malfunction, with rare exceptions like you mentioned. In this case it seems to be malfunction, both of the aftermarket part unprofessionally installed and the safety feature he removed that may have stopped the discharge even with the original failure. Imo, that's negligence, whether it in fact caused the discharge or not, because it made it far more likely to unintentionally discharge.

This is just like ultrasonic welding that they do with plastic, but way more powerful. The movement creates friction and heats both parts to liquid, then stops at the proper alignment so it becomes one part when the metal solidifies almost instantly.
Reminded me of this....
*related=http://videosift.com/video/The-explosive-welding-process-in-action

Well there is always the chance you'll find my perspective to be completely uninformed and uninteresting

The track seemed to be missing the heavy bass that I'd associate with dnb, and much lighter like a rock'n'roll or pop track. For a really mainstream example of more what I'm looking for in dnb, and perhaps not a really good one (if you look at my posted vids and voting history, mainstream isn't really the majority there), Hive's Ultrasonic sound:

In reply to this comment by kir_mokum:
how is it not d'n'b enough? not trying to condescend, just want your perspective.
In reply to this comment by oritteropo:
It'll probably pick up a few more later if you don't discard it. I thought it wasn't electronica-ish or dnb enough, and the singer reminded me of another singer I don't like... so my vote is an abstain.

I liked Scuba's "Before" though, and Peace & Dub.
In reply to this comment by kir_mokum:
really? not one single vote other than myself? :

Slow down the audio and I bet you'll hear some ultrasonic "om nom nom"

What this shows more than anything was that it was never really the 'house of the future' as it was touted, but moreso a whopping big ad for using plastics for everything.

And we now know how environmentally friendly THAT is.

I have to say the few melamine plates and things we have are horrible (kids things)... they can't be washed in the dishwasher, they tend to discolour over time, and all round they're nowhere near as nice to use as china et al.

So to be so effusive over plastic plates, cups, glasses etc. is to miss the point that we as humans actually like the tactile feel and usability of glass, china, wood, etc.

And vinyl floors... mmm, we all know how lovely they are.

The few 'futuristic' things they have demonstrate the view of 'sci fi' things for their sake alone with no thought as to their actual usefulness. The powered cupboards have not surprisingly never taken off due to:
* Who needs another thing to break and be serviced?
* Who wants to stand around and wait for them to sloooowly open?

Doing all your cooking in a microwave has been relegated to only those who have no real taste for actual food.

Ultrasonic dish washing obviously doesn't really work that well (Not that I've looked that up)


Also love the signs of the times like the woman donning her apron, and the husband later offering a smoke to her.

You can thank Bad Brains for writing "Reignition" in 1986 and therefore providing fodder for and the backbone of "Ultrasonic Sound".

Agreed on the ultrasonic sound clip. Definitely a track that deserves more exposure. No vote though- Family Guy = No Vote.

downvote for another family guy sift... but upvote for quality of clips

'ultrasonic sound' by hive was the deciding factor.

WTF?! I recommend changing the title before some moron dies because they watched some fake crap on YouTube. Seriously, do not try this at home.

For fuks sake... I know it is called "dry ice" but it really is CO2... You don't breathe CO2 nor live off of CO2. Even if there is alcohol vapour, you will quickly die inhaling CO2 off a hookah.

I could maybe see liquid nitrogen, or one of those electronic ultrasonic jewelry cleaner, that could work. But come on. Inhaling 100% CO2 from a hose??!!

Oh yeah and how did superman's hayseed mom, ever stitch that little outfit, it being able to withstand the rigors of ultrasonic speeds, extreeme temperatures, and alla SM's horseplay?