iPhone CR4 App

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

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

ibarron@sfmex.com

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.

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

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

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

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