From Discover Technology:
Sure, a laser can shine finely-tuned light to do anything from scanning your barcodes to correcting your vision, but soon that precise hero may meet its match: Physicists have recently imagined a device that can absorb light of certain frequencies, an "ant
From Popular Science - New Technology, Science News, The Future Now:
Clever augmented reality applications are becoming the natural byproducts of our modern computers--computers that are tiny, have eyes and other location-aware sensors, and are able to place a synthetic layer of in
Is possible to increase the voltage without using transformer? if not why?
i have a problem in AC 1.5 tone(230v) when the AC is on it is working but after 5 min it is tripped and also voltage is dropped (150v) and also the lighting circuit is dim . the voltage is up and down the AC power circuit is ok what is problem please help me
Hello all,
I recently purchased an encoder with a 5 VDC Line driver output. I wanted to hook it up to an atmega 2560 micro controller. Does any one know how this can be done.. Please help
Thanks
After I read some papers related to the transformers aging, I found two terms that make me confused is Furan and Furfural. What is the difference of two terms, and what unit they use?
Hello Guys, im here again to ask for your help.. attached here is th problem! hope to here for your suggestion!!
From HowStuffWorks Daily Feed:
Maybe you were caught in a freak snowstorm while driving home from Grandma's house. Or perhaps you wandered a little too far from your campground during a weekend in the woods. By a freak of nature, you survived a plane crash in the middle of what f
Does anyone know the status of published code requirements for the calculation of wind loads on photovoltaic panels. Has there been a standard developed that recommends whether or not C&C or MWFRS loads are used. Some of my research indicates that MWFRS loads would be used for net uplift design
In my back yard I want to build a [250m receiver] small scale parabolic trough plan combined with steam gas turbines or else hoping to produce 50 kw/h electricity. Reading for some months now I have an idea about the subject but still to many gaps, new field, diferent subject (geologist). Big green
What is IGBT technology?
Hello friends,
Can somebody explain me the principle and working of summated overcurrent protection used as an cheap alternative for bus-zone differential protection. It's like if to a 2-section bus bar 2 transformers are feeding with bus coupler always closed, the summation of
From Telstar Logistics:
It doesn't have bulletproof armor, flat-screen TVs, air conditioning, or a built-in wet bar stocked with Courvoisier, but this chariot was nevertheless fit for a Pharaoh. Used by King Tutankhamun -- aka King Tut -- around 1300 BCE, it's now on display in
Hi all,
I have a load 6.3 A 230vac, how to size the ups?
Example half hour backup.
Do we need to specify the schedule for all the types of flanges? Is it true that we don't need to mention the schedule of a slip-on flange?
From Technology Review RSS Feeds:
The world of computing could change rapidly in coming years thanks to technology that replaces the metal wiring between components with faster, more efficient fiber-optic links. "All communications over long distance are driven by lasers, but yo
We need to cut mild steel billets of 100 sq.mm to 130 sq.mm for which we consume fuel gas and oxygen.The consumption of oxygen is 4000 cubic metre. Is it suitable to go for oxygen generator rather than buying oxygen cylinders if yes what purity of oxygen will be suitable ? Is 93%- 95% purity enough
Can someone please explain why this thread was closed:
It would appear that the question raised was valid but since it pointed out some flaws by a resident Guru the thread was c
From Fast Company:
Ashton Stark isn't old enough to drive, but he has already built himself a vehicle. It took him a year, but he just finished converting his grandfather's 1972 Volkswagen 1Beetle into an electric car 2. "I was actually looking online with my dad at electric car
From Discovery News - Top Stories:
The Pacific Northwest had better watch out, because Mount St. Helens is not the only volcano in town with a nasty temper. Mount Hood, Oregon's tallest mountain, remains a major volcanic threat -- and according to a new study in in the journal N