From BBC News:
Until fairly recently many people using fingerprint or retinal scanners to get through doors would have done so to an exciting soundtrack and almost certainly have very good teeth and hair. The use of such biometric devices was the domain of Hollywood films, as companies a
Because of the central role that maintenance technicians perform when it comes to building control systems, lighting systems, HVAC, and many other electrical systems, the maintenance pro is also at the heart of the greening of industry. Are sustainability efforts such as cutting electrical bills and
Expense has always been the biggest threat to the shuttle program. Every time a shuttle takes off, it costs $500 million. Then there's the maintenance expense. But the shuttles made it possible to build the international space station, launch the Hubble space telescope, and send multiple probes to V
From Gizmodo:
You've seen the Godzilla of Khazakstan and sure, it's an impressive piece of machinery. But it's a Tonka Truck compared to its big brother, the Bagger 288. This 13,500-ton leviathan chews the tops of mountains clean off.
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A recent survey shows that participation in the pan-European EUREKA program, designed to support research and development, has had a positive affect on sales and employment growth. Could a similar program create jobs in the U.S.?
The preceding article is a "sneak peek" from Industrial Processing Eq
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Remember how in the 80's all those little fly-by-night companies cropped up and started building their own electric cars? Some of them were based on recognizable makes and models like the Jet Electrica (Ford Escort) and Solargen (AMC Concord), while others were out-of-this-world one-offs. This
How to decide the capacity of a Transformer for meeting connected loads of A group of Domestic Connection (Colony), Industrial Connection, Commercial Connection based on a list of equipments to be connected as loads with their load details (Capacity (kW) and current(Amperes)
I have a dead switch mode psu from a network switch. Closer examination shows that one of the components I need to replace is a Thermistor.
Knowing very little about Thermistors I read up some and have concluded that the item in question is NTC but I have yet to find a list/chart that would enable
In the really old days of the 60's...hurricane landings were called within the last few hours only. I remember being let of school early because something called Betsy was heading inland.
Today, there are numerous stations and radars as well as sea bouys and planes.
* At 60 years old with a really
Given the choice, which would you fund?
1. Symmetrical Tokamak (~30 billion, Nuclear Fusion Power Generator)(Link)
2. Turboencabulator (~2 billion, Inverse Reactive Current Supply) (Link)
3. Neither
Try to limit
Hi,
1) Can this thing ( http://blokle.com/design ) be molded using methods and materials that are used to mold conventional plastic
1.1) bottles?
1.2) jars?
2) How much more expensive will it be (percentage and/or absolutely ) compared to 1.1/1.2?
3) In a case that it is impossible o
What is the rating of conventional rewirable fuse, MCB etc.
What is the rating of polyfuse(resettable fuse or PPTC fuse). Polyfuse are normally used in electronic circuits.
Can we replace conventional household power supply main rewirable fuse with these polyfuse. Is it available in such hig
what ground should I use for a simple DC circuit
Now, here's my question.
1) Is it correct that I have put the ground on negative terminal of a battery?
2) How's it working? I mean what's the essence of having that?
what is lbs?
We are one of leading manufacturer of Magnetic Components like High frequency chokes, Inductors, Telecoms components and 50/60Hz power transformers. In adding to that, presently we would desire to develop a series of High Frequency transformers which are used in the SMPS. For that, we need some trai
I made this machine inspired by Clarence N Hickman's machine made in 1938.
It's used to plot the force/draw curve of bows, his machine used rack and pinion gearing. I don't have much in the way of metal working facilities so I made use of pulleys string and elastic .
Here's a link to a video
From BBC News - Science & Environment:
A punishing heatwave settles over the central and eastern US and Canada, with temperatures as high as 37C (99F) causing up to 22 deaths.
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From Extremetech:
Here's proof that technology really does make driving safer: Volvos equipped with the automaker's City Safety collision avoidance system are in 27% fewer accidents than comparable vehicles. That's a huge reduction, says the Highway Loss Data Institute (HLDI). City Safet
From Gizmodo:
You're probably wearing something cotton-y right now. Cotton is fairly annoying to harvest. Mechanization was a quantum leap for the cotton industry, moving it away from archaic methods used since the days of slavery. This machine is the next step forward.
Read the who