Is anyone out there writing a CR4 discussion app. I love my iPod Touch and use it for most things, and I thought it would cool to to have an app that would let me look at the discussion's. I know I could do it through Safari and I have but an app design just for CR4 discussions would be a lot more p
Category Archives: Aerospace
Aluminum Shapes
Dear All:
I am working in a project to fabricate structural & platform in 6061 T6 Aluminum for a Mexican steelmill but I need to buy those profiles for example CHANNEL 8. "I" beams etc.
Any kind of help would be appreciated.
Israel Barron
Freeze the Flow
All right one more comment on the BP disaster.
Would it be possible to take canisters, containers or whatever of liquid nitrogen, surround the area where the oil is being released and explode the canisters. This would freeze the water into a large chunk of ice which would stop the flow of crude o
Batching Plant full Load
To install baching plant (concrete mixer) as Electrical Engineer I need the total full load (KW or KVA) of the plant and control room. the brand is (LIEBHERR BETOMIX 2.25 A-R/RIM-M, GA 929225).
No catalouge available for me.
The difference between " cylindrical bore" and "tapered bore"
Spherical roller bearings of all series are available with inner rings having a cylindrical bore.
Spherical roller bearings are also available, with the exception of series 233..-A with inner rings having a tapered bore.
Build This 100-MPH Sports Car for Under $500!
A few months ago, in the Lost and Found pages of Hemmings Classic Car, we began the hunt for the remaining Mechanix Illustrated Specials, a type of do-it-yourself car that capitalized on the late 1940s / early 1950s sport-special craze, but which combined elements of early kit car building, ho
A Question Of Identity
From Chemical & Engineering News: Latest News:
Sometimes a name isn't sufficient to specify an individual, and only a more definitive form of identification will do. A Social Security number, for instance, is necessary to ensure that you alone are credited for money you pay into th
Google Rolls Out Encrypted Web Search
From CNN.com - Technology:
Google began offering an encrypted option for Web searchers on Friday and said it planned to roll it out for all of its services eventually. People who want to use the more secure search option can type "https://www.google.com" into their browser, scra
Heads Up, Citizen Scientists: The Moon Needs You!
From NPR Topics: Science:
We're seeing the most detailed images of the moon's surface ever captured from afar — thanks to NASA's Lunar Reconnaissance Orbiter, or LRO. The space probe carries a super-powerful camera, which photographs every bit of the moon's surface for scient
Officials Scrutinize BP's Ability To Close Oil Leak
From NPR Topics: Science:
The Gulf of Mexico oil spill seeped miles deeper into Louisiana's fragile marshes, making it tougher to clean up or to rescue wildlife like the brown pelican, as the federal government questioned whether BP will be able plug its blown-out well on the seabe
Silver, Gold Makes for Cheap, Flexible Touch Screens
From Discovery News - Top Stories:
Cheap, flexible touch screens made with silver and gold nanowires could soon be rolling off the presses and into cell phones, computers and more. The same technology could even be used in solar panels. Writing in the journal ACS Nano, scientist
First Endangered Turtles Found Slathered in Oil
From Discovery News - Top Stories:
An endangered baby Kemp's ridley sea turtle was discovered lathered in oil on Tuesday, May 18. This is the first rescued sea turtle known to be affected by the gargantuan oil spill in the gulf of Mexico. The Kemp's ridley sea turtle has been on
Fault current for relay settings & coordination
Which fault current is more appropriate for finding out plug setting of instantaneous & IDMT relay on feeders both near & away from generator - subtransient, transient or steadystate?
What will be the scenario if i don't have synchronous generators in my system where i am co-ordinat
Power output down
After a major overhaul of turbine HP and LP Steam Turbines. The power output of unit is now down apprx. .5 MW. LP was rebuilt again and diapharms were found to be installed incorrectly(crush pins not set correctly)(major leaks at splitline) restarted unit, power still down and higher than normal cro
So that Didn't Stop the Oil – Now What?
If, as BP now purposes, you were going to pump mud then concrete in order to stanch the gushing petroleum and gas leak in the Gulf, how would you go about it ... a mile down? And how much bigger would the loss be if not for the depth and weight of all that water a mile down?
(Since there's no p
Point Woring Group classification
How is Group A and Group C point wiring is classified in CPWD specification? Please tell me the basis of clasification
Faded Powder Coated Paint of Outdoor Switchgear
Can you give me other causes of fading color of powder coated paint other than weather.
Atlantis Astronauts Begin Third and Final Spacewalk
From SPACE.com:
The spacewalking crew of NASA's space shuttle Atlantis began the third and final spacewalk of their mission early Friday to wrap up a battery upgrade service call on the solar arrays outside the International Space Station. It will be the final spacewalk conducte
EPA Orders BP to Use Less Toxic Oil Dispersant
From Wired Top Stories:
The Environmental Protection Agency ordered British Petroleum to change the type of dispersant the company is using to keep oil from reaching American shores. The EPA gave the company 72 hours to switch to a less toxic chemical for use in breaking up oil
Paper Bags or Plastic Bags? New Proposals Like Neither
From NYT > Science:
Three years ago, San Francisco was the first city in the country to ban the ubiquitous plastic shopping bag, but it was quickly followed by Palo Alto and Oakland. These cities, and the Bay Area generally, were at the forefront of the movement to keep single-use,