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http://en.wikipedia.org/wiki/Phase_diagram

When the pressure is low, solid water will not go through liquid phase when the temperature increases. Basic thermodynamics...

See this : http://www.cbu.edu/~mcondren/water-phase-diagram.jpg

Choose a sufficiently low pressure, and draw a horizontal line (increase in temperature) from solid to gas...

Maybe, maybe not. Let me throw some data out.

I worked as an asphalt inspector, and I have a exhaustive list of public roads for my county, including segmented width measurement. A simple table calculation yields the following calculations (along with Census data):

Total square area: 4.4 sq. miles
Population: 240,000
Area per person: 500 sq. ft. (47 sq. m)
Intensity of Sunlight: 250 w/m^2 (source)

At an upward bound of 50 sq. meters per person, that's about 12.5kw per person theoretical. Multiply that by all your efficiencies and you get an idea of the acutal power available. A more useful thought, maybe, would be having the county give the power generated to the company and demand that this be served free to county residents as a rate-reducer. The output of the county roads as a whole is 2.9 gigawatts theoretical. Assuming 1% efficiency (I have no idea how much is actually being achieved) that's 29 megawatts possible, or a medium-large sized generating station.

Remember, though, that about 8% of asphalt roads are repaired (only counting resurfacing and reconstruction) each year, and the solar panels would have to replaced on those, increasing costs significantly. I wish I had the database of buildings in my county on hand so I could do measurements on roof surface area. Also, I wish I had any data on the energy saved by houses that don't just have dark roofs sitting in the sun all day.

Just don't send up a batch of sicklepod and you will be fine I should think...http://www.cbu.edu/sciences/biology/Debbie UM/sld022.htm

I've posted a mirror. It won't fit in my sig. Sorry.

First, that's not an original Mac, it's a Mac Plus. Secondly, if you wanna see the real thing in action, check out my (shameless plug) Apple Museum. I have a fully functional Mac 128k up there as well as an Apple /// and a Lisa 2/10, both of which work flawlessly as well.

In the absence of bubbles, water can be heated above 100 C, it's much more common in a microwave, but a very tall tightly sealed container with high heat applied continuously. Checkout the containers used in Mc Donalds (before it was trnsfered to the cup. It is quite possible to superheat water. Put alittle bit of the water and then stick it in a microwave for about 5-10 minutes. Then with a very long set of tongs, face shield and gloves, try and remove the water. Boom!

And coffee is made by boiling water running through the filters, it's not meant to be served that way! Try boiling water to a hard boil, were it's jumping all over the place as in perculating. And then pour it into a cup! There is such a thing as coffe that it too hot to drink.

Boiling Point Elevation

Superheating link

My oldest computers are an Apple ][+, an Apple ///, and an original Macintosh. All of them are still fully functional. Of the three of them, I use my original Mac the most, usually to fool around in MacPaint. You can see them (and all my other macs) at My online Apple Museum.