> Life is like biryani. You move the good stuff towards you & you push the weird shit to the side.  

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October 16, 2025 -- 8:53 PM
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go back to maingo to old version

November 06, 2003 -- 5:33 PM
posted by Beck

    hehe...
    My combined two-post electricity ramble was exaclty 50/50 on the good/evil scale according to the Gematriculator

November 06, 2003 -- 5:12 PM
posted by Beck

    Hmmm... yeah, I don't know whether benzine=benzene or not.
    I do know however that benzene is definitely genotoxic - a carcinogen.
    Due to it's planar conformation the benzene molecules insert themselves between the stacked base pairs in DNA and is therefore known as an intercalating agent. The presence of the benzene itself does nothing to the DNA sequence, however during transcription or replication it's presence affects the watson-crick hydrogen bonding between template and incoming bases and can lead to increased mispairing and base substitutions. Also when it is intercalated (but not during replication) the size and shape of the helix is distorted which triggers the nucleotide excision repair (NER) pathway which nicks the DNA backbone on one side of the distortion, then on the other, removes the strand in between and replaces it with new DNA. The problem is that there was no real sequence damage to start with, but when the DNA is replaced the benzene will screw up the wc H-bonds again and induce the mismatch. This escalates into a downward spiral of "repair" leading to more and more mutation and even double stranded breaks. At this point the cell will often enter apoptosis if it can, otherwise it may become "immortal" and grow as a tumor.
    So basically... benzene BAAAAAD!!!

November 06, 2003 -- 4:30 PM
posted by alison

    thanks Beck and Paras, but mostly Beck... 'twas interesting... but did you know that the waste products of the photovoltaic cells used to generate household electricity, or cars or whatever else you desire to have solar powered, are incredibly toxic and apparently non-recyclable given our current technology standards? Just goes to show you that Einstein's right again: The problems of today will not be solved with today's technology.

    I was asking about the benzene thing because apparently Switzerland uses Benzene to generate electricity (?) and didn't have the foggiest idea how it would happen. It is toxic still, right? and unless benzine is something different from benzene (I was reading in french, so everything was different, I just couldn't figure out whatelse benzine could be and babelfish was no help whatsoever) then that's what they're using. Crazy Swiss...

    Also on the crazy note... isn't it amazing the amount of knowledge and "stuff" you acquire over the course of your life? Like, for example, I know that dirt is gritty in your mouth, clay feels silky when you rub a wet sample between your fingers and that beavers can close their ears and nostrils and have a see-through membrane over their eyes when they swim under water. I just could never put it all into logical sentence and paragraph format (without a lot of planning and organization) the way you did, Beck. CRAZY!

    And... Eric, thanks for the refresher on Massive Attack... I burned it off of a friend of mine and neglected to copy any information about it down at the time... and she lives in Calgary. so cheers!

November 06, 2003 -- 1:48 PM
posted by Leo

Hey Beck, shouldn't the disclaimer be at the beginning of your rant..?

November 06, 2003 -- 10:45 AM
posted by edo

November 06, 2003 -- 10:16 AM
posted by Pam

PAR - like the new background

November 06, 2003 -- 12:02 AM
posted by Beck

    Yeah... I know... I forgot solar and geothermal electricity so sue me.
    Geothermal's not that exciting - heat-turbine-electricity get it? Good.
    Solar is cool though. At least it's unique.
    It was discovered by accident when some guy (no research remember) shined a light on some metal and noticed that electricity was produced... he wasn't searching for it.
    Anyway it became known as the photoelectric effect whereby a photon of light containing a quanta of energy hits an atom of the metal and dislodges a valence electron which happens to be conducted away from the photoelectric metal by a more conductive metal underlying it. With continuous lighting a current is produced.
    So what have scientists done with this newfound technology?
    ... ... powered calculators hoorah!!
    Texas Instruments would be nothing... nothing without the photoelectric effect.
    On another side note the photoelectric effect was seen by Albert Einstein as proof that light travels in particle form as well as/instead of wave form because the amount of energy needed to dislodge an electron was at a threshold level which he called a quanta. The photoelectric effect wouldn't work if light were a wave and the new realm of science known as quantum mechanics was born.

    Thanx Albert... More information that'll be whizzing around in my head when I should be sleeping.

November 06, 2003 -- 12:01 AM
posted by Beck

    Just to add on to the chemistry question.
    It is my professional opinion that anything flammable can be used to create electricity. It is not so much the chemical nature of the thing being burned, so much as the condition that it gives off considerable heat in doing so. The conventional method of "creating" electricity is through the use of a turbine generator whereby water is heated into steam creating pressure which is used to crank a turbine which in turn rotates a giant magnet around a coil of wires at very high speeds. This action creates an electrical current in the previously mentioned wires. The source of heat for boiling the water, however, does not factor into the end-product of the electricity. Obviously not all fuels are practical; the types of fuels are chosen based on availability, cost, environmental factors, and of course burnability (I love that word).
    There are, however, other ways of producing electricity without resorting to burning stuff. Nuclear power is based on the constant decay of radioactive materials. As they decay they heat up the "hot"(radioactive) water surrounding them, which in turn heats up "cold"(non-radioactive) water which basically turns the same turbine as the burning stuff model. The advantage here is that there is little immediate pollution, and the decay is a long process so a few radioactive rods last a long time.
    Hydroelectricity is actually just normal electricity but the original source of energy is from water. Really. The water has a certain amount of potential energy either due to falling off a cliff (a waterfall) or pressure from surrounding water pushing it through a narrow opening (a dam). The potential energy is converted to mechanical energy by having the water turn a water wheel on it's way down (or out, depending on how you look at it). The turning water wheel turns a drive shaft that cranks a turbine which rotates a giant magnet around a coil of wires.
    Electricity derived from wind (it probably has it's own cool name that I can't think of right now - probably "aero-electricity", or "wintricity" - no that's probably microsoft, well... something) works on the premise that high winds blow against a fan-like "windmill" turning the propeller thingy which turns a drive shaft and cranks a turbine... and blah blah blah

    Some chemical reactions also produce considerable amounts of heat without the need for rapid oxidation. In fact a simple acid/base reaction releases heat and hydrogen as a byproduct. Thus bringing me to my point about benzene. If you could find a decent reagent (I don't know of one personally) that had a particularly violent and heatfilled reaction with benzene this could also be used. Granted there would not be enough heat to drive a commercial steam turbine but there are smaller versions such as the Stirling Engine (see picture) which can create a moderate electrical current from outside sources of heat (or lack thereof - ie. icecubes) by expanding and contracting a pocket of air to drive a simple piston. The piston pushes a magnet through a coil of wires and bingo - electricity. (Notice a pattern for the actual method of producing the current?)

    These methods are all viable options for the production of electricity, however, who can really be bothered using wind or water or radiation or benzene when you can burn stuff much more easily. And you get to burn stuff! Plastics, styrofoam, old shirts, dead pets, great-grandparents... these are all good for creating the power needed to run my computer at all hours of the night.

    And so ends this episode of Beck's late night rants...

    Tune in next week for the feature presentation: The History And Saga Of The Perpetual Motion Machine

    Disclaimer:
    Please note, I did not do a single scrap of research to drive your simple question to a degree of complexity that no-one appreciates, with the exception of finding a picture and link to the stirling engine because it's so cool, so I apologize for any misleading (or just plain wrong) information that I may have just posted, it is all correct to the best of my knowledge (which is derived, I'm sure, from various editions of Discover and Scientific American).
    Awesome! Check out that run-on sentence... 6 commas and TWO sets of parentheses!

    Anyway... I promised you a picture of the stirling engine.

    This model can actually be powered by the heat from your hand when you hold it by the base.
    So friggin cool...

November 05, 2003 -- 11:57 PM
posted by Beck

Well Alison... I do hope you make it out ok

November 05, 2003 -- 8:53 PM
posted by eric

    an answer to the Massive Attack question, that would be the 1998 landmark classic, Mezzanine, and the singer featured on the single with the fetus video, Teardrop, is not in fact Esthero, but Elizabeth Fraser from Cocteau Twins fame- though she is listed as a similar artist to Esthero on Allmusic.com
    the music world meanwhile is patiently awaiting the next Esthero record which was slated to be released at the beginning of fall.

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