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Can we compress gases using ultrasound produced by piezoelectric crystals? Will the vibrations compress the gas column? What will be the excitation voltage required to produce ultrasound using piezoelectric crystal?

#-Link-Snipped-#We've already seen some #-Link-Snipped-# hit the market, and now it sounds like lithium-based cells will be the next type to use air as a cathode. The only problem? Those...

Read the announcement here - #-Link-Snipped-# :clap::clap::clap::clap::clap: Congratulations to all the winners. You'll be contacted through PM soon

I've brought these subjects up at other forums, and I have to say there appears to be a fairly wide set of viewpoints about either. In QM. observation and measurement...

Bertrand Picard, a Swiss adventurer is all set to unveil a prototype of a solar-powered plane he hopes eventually to fly around the world. According to a news report, the...

Hello people...

dear CE's, what is the best combination of composite that can be made with aluminium as the base material.Pls reply

hello people , Please post the best proverbs you like and you want to follow in your life here. 😎😎

Tata Motors has laid off 2,000 Jaguar Land Rover employees and asked many to go on a sabbatical. Ravi Kant, vice-president, Tata Motors, said if the situation does not improve...

Hi can anybody tell me how to reconfigure host id of " SUN" severs in nvram

Hi All, Can anyone suggest me with the best countries and Universities exclusively specialised in offerring Phd+PostDoc Programs in VLSI areas Regards, Madhu

Since last 5-6 days I am facing a typical problem with Chrome and Firefox. In both the browsers all the images are appearing as blurred. Do not know what is...

i want projects on design or thermal system

Look at this folks - The green & the blue colors that you see - is actually just one color! 😲 Amazing, isn't it?

We will run two puzzle simultaneously, 1->>> Four fours problem : In this problem we have to make numbers starting from 1 by using only four 4, with any mathematical...

hello guys, i am an instrumentation engineering even though i got placed in HCL infosys and now i am waiting for offer letter from the company. I would like to...

I want course details for partime M.E and fees details in tamilnadu.😕

Voa! 😲 Infosys co-founder, Nandan Nilekani has resigned from Infosys board to head a government project - providing unique identification numbers to citizens of India. The resignation will be effective...

I was just thinking...and i had a thought...is the inner voice which we all talk to for real?? I do not mean spiritually....i mean is it technically a sound wave??...

#-Link-Snipped-# As per Kapil SIbal's announcement: 1. Class 10th Exams are optional. "There has to be an alternative system other than exams," Sibal said. According to the minister, since the...