Nerdy-science-geek question: What kind of pressure am I looking for if I want to bust algae cell walls by sending a algae-concentrated liquid through a small aperture? I mean, behind the aperture, size of aperture, etc....knowing that the sudden reduction in pressure *should* bust things up. Any thoughts?
Of course, I am wondering about doing this in terms of what I've read, and may experiment with in future, but don't have firsthand knowledge of.
Thanks in advance!
posted by Kickstart70
on Jan 28, 2009 -
What simple pasta dish has just mushrooms and garlic and olive oil and some spices? [more inside]
posted by davathar
on Dec 20, 2008 -
Not that I'm complaining, but why have gas prices dropped so dramatically in recent weeks? I understand how they rose so high-- chaos in the Middle East disrupted the oil supply and hurricanes destroyed some processing capability in the US-- but I'm seeing close to $1.80 a gallon now when I thought I'd never see under $3 again. Forgive me for my ignorance, but I feel like I missed something.
posted by Faint of Butt
on Nov 25, 2008 -
So the price of oil is ridiculously low right now. But since we're running out of the stuff in the mid-to-long-term, can you explain to me why i shouldn't pour a nice big chunk of my investment egg into oil futures? [more inside]
posted by snortlebort
on Nov 23, 2008 -
Artfilter: I've decided to take up oil/canvas painting. I have good artistic sensibilities, but no formal training and no supplies. What do I need to know/own? [more inside]
posted by charmston
on Nov 16, 2008 -
Is there a resource anywhere that will give me either (a) historical data for the last year or two on the price of oil (b) similar data for airline tickets or (c) ideally, both?
posted by ricochet biscuit
on Nov 9, 2008 -
I remember reading about these spectacles that'd let you control their focal lengths by varying an oil film between two rectangles of glass that were held together by the frame ('oil inside the lens'). Links?
posted by Taksi Putra
on Oct 25, 2008 -
What would it take of an alternative energy to make a serious impact in current global energy consumption? What cost/benefits would it need to demonstrate over and above existing sources? Who would need to seriously start using it? Anybody have some good sources of information or discussion on this topic?
posted by zaebiz
on Oct 22, 2008 -
If we lowered the speed limit nationally to 55mph, how much fuel would we save? [more inside]
posted by mikeyk
on Oct 13, 2008 -
We had some coconut oil in containers in our freezer (we use the oil for popping popcorn - we buy it in bulk and then freeze it for later) and for some reason this latest batch has all turned green. [more inside]
posted by An Infinity Of Monkeys
on Oct 7, 2008 -
Oil Filter: I'm resurecting a bike that's sat for 5 years. Do I really need to replace the engine oil? Surely modern oils are pretty stable and won't have degraded significantly in 5 years? [more inside]
posted by BadMiker
on Aug 11, 2008 -
Why is there so much talk about dependence on "foreign oil"? (Meaning, as opposed to "domestic oil," not alternative energy sources.) Is there really any meaningful distinction between foreign and US oil, given that the oil market is mostly global? [more inside]
posted by stupidsexyFlanders
on Jul 31, 2008 -
I need a crystal-clear transparent liquid that is as heavy (dense) or heavier than water, not dangerous, and not difficult to obtain. The heavier the better. The catch - it can't be water-based. [more inside]
posted by -harlequin-
on Jul 18, 2008 -
I'm interested in jobs where you go to some possibly unpleasant place, work really hard and come back flush. [more inside]
posted by sully75
on Jul 7, 2008 -
Can anyone show me some articles or books that explain or theorize why gasoline prices are so much more expensive than a decade, two decades ago? I'm a bit dense, so concise is ideal. [more inside]
posted by zardoz
on Apr 29, 2008 -
How can I clean the plastic of a cellphone that has become matte again without ruining it? [more inside]
posted by ooklala
on Apr 28, 2008 -
What fundamental differences keep the US from nationalizing and/or heavily regulating the oil industry as a whole, much like electricity has been regulated? [more inside]
posted by disillusioned
on Apr 18, 2008 -
What are the top 3 things I can do this year to avoid consuming non-renewable resources? [more inside]
posted by brandnew
on Apr 17, 2008 -
Which approach really burns more heating oil - keeping the house at a constant medium temperature (say, 64 degrees) or keeping it very low most of the time (58-60) but bringing it up to a higher temperature (say, 66 degrees) once or twice a day? [more inside]
posted by anastasiav
on Apr 4, 2008 -
(Oil Heat) - Getting a new oil burner / furnace.
(1) How much should it cost, including installation, for a new oil furnace that's at least pretty good/efficient? (We've gotten one estimate, so far, for $10,000 (!) $11,000 for antifreeze pipe system.) What's the cost for the equipment vs cost of labor?
(2) The $10K was for a System 2000. Is the System 2000 really that good? Anyone have one? How much did it cost? How much did it reduce your heating bills?
posted by coffeefilter
on Apr 2, 2008 -
I'm trying to visualize the amount of oil the world has consumed since 1900 and, just for fun, how much there is left ...using bodies of water as a reference. [more inside]
posted by punkfloyd
on Mar 23, 2008 -
I'm looking for a great short educational cartoon about oil and petroleum that may or may not have been posted in the blue a long time ago, definitely elsewhere on the net. My extensive searching has uncovered nothing and someone else may simply remember the title. It was 50's cartoony, obviously biased in favor of the industry, but seemed scientifically accurate. Any clue?
posted by BlackLeotardFront
on Mar 17, 2008 -
Where to find a replacement oil pressure switch for 1980 Kawasaki KZ440 LTD? [more inside]
posted by shaarog
on Mar 9, 2008 -
Best way to mitigate effects of potential peak oil and global warming issues without looking like a nutjob? CYOA in a realistic manner? [more inside]
posted by UMDirector
on Mar 4, 2008 -
Chocolaterie-filter: Is it possible to replace cocos fat with some other household-fat in an emergency? What's the best replacement (≈ least damaging)? [more inside]
posted by Rabarberofficer
on Dec 30, 2007 -
I have just been given a load of fresh chillies by a colleague at work. Apart from using them in a Chilli or a curry not really sure what else to use them for. One thought I have had is make a chilli sauce. Any tips on the best way to make a chilli sauce?
posted by lloyder
on Dec 15, 2007 -
my mom wants an oil sprayer or mister that works. she doesn't care if it mists finely or sprays more roughly, but she wants a personal recommendation of one that keeps working (she had a misto and a generic brand and they both stopped working, despite cleaning). that, of course, is why i'm posting the question here rather than doing a web search. thoughts?
posted by lgyre
on Nov 9, 2007 -
Is there anything that individuals can do to bring down the price of oil? If gas and oil were rationed would that bring down prices? Will high prices or shortages make rationing necessary? [more inside]
posted by msbaby
on Nov 8, 2007 -
The oil we use today was made from a biomass from a certain era. When was it, and how long was that era? [more inside]
posted by sourwookie
on Oct 27, 2007 -
Is there any one definitive, super-evocative portrait of life on on offshore oil rig? Preferably with lots of oh-cool gnarly imagery? ....that I can buy on DVD, download from iTunes or GUBA or torrent, etc?
I know there are lots that sort of fit the bill, but I'm looking for extra transportive, extra in-depth cool treatments.
Also of interest: looks at life on aircraft carriers, antarctic base stations, etc. I'm into transportive experiences of living in really artificial (and preferably somewhat high-tech) environments. Very XY chromosome I guess...
posted by jimmyjimjim
on Sep 28, 2007 -
I have a really squeaky printer. I tried WD-40, but the squeakiness comes back. One of my engineering friends suggested that I needed something similar to sewing machine oil, but perhaps a little thicker, since the gears are plastic. Any ideas on what kind of lubricant I should get? And where I could get it? Aside from the squeakiness, this REALLY is a good printer (Canon MP130), and I really don't want to get another one.
posted by ssnickerer
on Sep 27, 2007 -
I know relatively nothing about olive oil except that my local grocery stores sell overpriced crap. Can you recommend a good oil that's available online from a reputable source? [more inside]
posted by c:\awesome
on Aug 31, 2007 -
We have oil heat, but as you might expect in the middle of summer's dog days, we are not using it. So why do I periodically get a very strong smell of oil? This seems to have just begun in the last few days - at least I didn't notice it before.
I checked the basement oil tank, no visible leaks and there is no strong smell down there. There have been no recent deliveries of oil that would explain this.
Thanks for any help.
posted by mmf
on Aug 7, 2007 -