Problem With a 1989 Celebrity

whitish gray smoke started coming out the exhaust when i was driving to school

when i stopped the car would shake more then usual. the exhaust would by smoky when i started to move from a stopped position.

at school when i stopped i looked under the hood and the anti freeze was dra

Report Backs Modified Crops

From Chemical & Engineering News: Latest News:

The introduction of genetically modified crops has had a positive impact on farm sustainability, according to a new report by the National Research Council (NRC). But the evolution of herbicide-resistant weeds could erase the effective

Trompe Efficiency

I have been looking at tromp design and wondered were the "extra energy" extracted from the compressed bubbles which are harvested from such a device is calculated.

If a flow of water falls from level A to level B the potential energy can be easily calculated.

Where air is added t

Floating Homes

Has anyone thought about building houses and businesses on barges and sinking them into the ground? The idea is to allow the house/business to float in areas prone to flooding like along rivers and coastlines. The barge would be set flush into the ground and have guide posts at the corners to keep t

Refrigerant Monitoring System Codes

Hi

I'm trying to find the applicable codes for refrigerant monitoring systems in CA. Once installed, do they need to report to a BAS or a FLS? Where does the main panel get located? Outside the chiller room or inside? I've searched the code sites that I know of and I'm coming up empty. Am I

Slump of Concrete is irrelevant?

With the modern advances in concrete mix design and the use of chemical and other admixtures being used to create materials such as self consolidating concrete, why are so many professionals still using slump as a measure or indicator of what final STRENGTH might be?

Gear Strength & Shaft hole relation

Would you please point me to a reliable source of reference that will tell me what relation exists between the Stregnth of a Gear material and a hole machined into the gear.

Say I design a spur gear pair, selecting its module m = 7 & number of teeth Tp = 20, thereby finding its mean

Vivos Underground Survival Shelter Network

From Gizmag Emerging Technology Magazine:

With the end of the world apparently scheduled for December 31, 2012, there's sure to be a number of opportunistic companies looking to cash in on the upcoming apocalypse. One such company is Vivos, which envisions a network of 20