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Archive for the Science (real) Category
Vamping Us
May 5. 2008 by Dick.
The undead are popular this year. Moonlight, the CBS Friday night crime drama with a vampire as the lead detective, drew a 2.1 share last Friday. That may have been the episode in which our hero came back to life and then reverted to his nighttime habits, but the show is popular every week.
Vampire Power. David Pogue in the NYTimes calls it “the juice consumed by electronic gadgets even when they’re turned off (also called phantom loads, standby power or leaking electricity). They just sit there, plugged in, sucking electricity, at a cost to you and to the environment. According to the Energy Department, vampire gadgets account for about 25 percent of total residential electricity consumption in the U.S.”
Say what?
OK, I admit that we have a teevee or two, more than our share of VCRs that show the time rather than blinking, and a couple or seven electronic phones. We also have a refrigerator and two freezers along with a water pump to pump the water in and a sump pump to pump it out, an electric mattress pad, and an electric stove.
This household burns through 666 KW-Hrs per month or so. Vampire power measured in watts is 25% of that kilowatt load? So those blinking green lights would account for 167 KW-Hrs per month? 167 KW-Hrs??? I don’t think so.
This sounds more like the Far Green in action. I need proof. Like actual, measured data, instead of being vamped by hyperbole.
Congress is planning to announce a possible investigation into something. Whew. That ought to keep them out of trouble for the entire term.
Posted in Science (real), Business, Politics, PC, Grumpery, Random Access | 3 Comments »
Porn Shortage: The Ethanol Scam
April 21. 2008 by Dick.
Sheesh.
A local radio talk show reflected on that shortage recently. Turns out they really said “shortage of corn” and were talking about how dumb it is to make biofuels out of the food on our table.
It’s worse than that.
Using just 10% ethanol-based “gasoline” decreases real world fuel economy by about 7% compared with burning 100% gasoline. (Using 85% ethanol-based fuel decreases real world fuel economy by about 37% compared with burning 100% gasoline. Fuel injection systems in FFVs are built to inject about 40% more fuel.)
Ethanol corrodes the ferrous materials and aluminum it comes in contact with. It eats rubber hoses. It is particularly nasty on some fiberglass fuel tanks in boats.
I reckon that means you get leaks.
That thrills me. Dripping a $4/gallon liquid from my 1980 Keyscar next to a person smoking in a parking lot (because no one can smoke inside anymore) is going to get exciting.
Ethanol doesn’t work with the capacitance-based fuel gauge sensors many auto manufacturers now fit in gas tanks. It causes sparks and increases internal wear in the electric fuel pumps most modern auto manufacturers also fit in gas tanks.
As an aside, doesn’t it seem really really really stupid to put something that makes sparks inside a jar full of high explosives? And they do it on purpose?
Mileage is going down here in the Keys as the Homestead, Florida-based Dion’s Mobil gas station/quick stop chain is now switching to E10 across the board. I think they are the first in Florida to do so. All other fuel distributors in Florida will follow suit.
Dion Oil CEO Sue Banks said she knew of no problems for cars running E10, although there was no cost savings to be had for the switch. She did say the change would cost distribution companies and station owners. Ms. Banks also doesn’t know if the ethanol-based fuels will bump consumer prices.
Swell. I get to pay more for something that corrodes my car, delivers lower mileage, and was promised to us as a way to save money. After all, corn is cheaper than dead dinosaurs.
Ms. Banks said the fuel switch is a mandate by the feds but darn it I can’t find anything to back that up.
For an oil company exec, Ms. Banks seems, um, underinformed.
Fortunately, there are _some_ other peeps noticing the drop in heating value: www.floridastategasprices.com
All this in April, the time we know know as Financial Literacy Month.
Earlier this month, Germany cancelled that nation’s proposed 10% ethanol fuel mandates.
I wonder what Germany knows that we don’t?
EPA has revised its methods for estimating MPG to better represent current real-world driving conditions.
The 2008 C1500 Silverado FFV with a 5.3 liter V8 and automatic transmission is a case in point. The U.S. Environmental Protection Agency (EPA) and U.S. Department of Energy (DOE) produce the Fuel Economy Guide. According to the guide, that truck gets 11/15 mpg on E85 but 15/20 mpg on regular unleaded gasoline. Since E85 is supposed to cost less, EPA says that means a $2,768 annual fuel bill on E85 v. $2,849 on plain gas. Of course this is based on 15,000 miles driven on $1.71/gallon E85 or $2.80/gallon gasoline. The Chrysler Sebring Convertible with a 2.7 liter V6 and automatic transmission is rated 13/19 mpg on E85 but 18/26 on regular unleaded gasoline. EPA claims a $2,401 annual fuel bill on $1.71/gallon E85, $100 more than the $2,306 bill with $2.80/gallon gasoline.
Naturally, there is no such thing as $1.71/gallon E85, let alone $2.80/gallon gasoline despite a 54-cent per gallon federal ethanol subsidy. In fact, don’t forget that Ms. Banks might charge more for the ethanol blend than for straight gas.
The Business Week Ethanol: A Tragedy in 3 Acts is good additional reading.
Posted in Business, Science (real), PC, Grumpery, Big Thoughts | 4 Comments »
Bad for Baby?
March 10. 2008 by Dick.
No. Bad for Us.
Are common baby lotions bad for babies?
A small study conducted by the University of Washington and the Seattle Children’s Hospital Research Institute showed that exposure to phthalates caused reproductive problems in mice.
Lotions made for babies (and grownups) include phthalates to add the fragrance or color that separates a Johnson and Johnson shampoo from a Proctor & Gamble product.
I looked on the back of a baby shampoo bottle and found cocamidopropyl betaine, sorbitan laurate, sodium trideceth sulfate, and even the dreaded polyquaternium. Say, what? The latter would be a quater that marries several iums.
“If it’s difficult to say and it’s not commonly known, it’s probably something we should wonder about,” Dr. Lori Racha of University Pediatrics told the local Channel 3 News.
Dr. Racha says it is too early to know if those products actually harm human babies but she wants us to switch anyway. “If it smells really sweet, it’s probably not something we should be using on our babies,” she said on the news.
Hello?
This is a medical doctor–a pediatrician–who wants us to make a crucial decision based on what she doesn’t know.
I can apply that technique in all facets of my life, can’t I?
The National Institutes of Health’s DailyMed reports that nadolol is a “nonselective beta-adrenergic receptor blocking agent.” It is chemically identified as “1-(tert-butylamino)-3-[(5,6,7,8-tetrahydro-cis-6,7-dihydroxy-1-naphthyl)oxy]-2-propanol.” It even contains microcrystalline cellulose.
Anybody here have any idea what all of that means? Any at all?
Yeah, yeah, I know somebody can answer yes, but Corgard® or nadolol, its generic equivalent, has been prescribed to thousands of people who have absolutely no clue about its chemical makeup, let alone any of the scientific names it has. In those patients it successfully treats their high blood pressure or prevents the chest pain called angina. A beta blocker, nadolol slows the heart rate and relaxes the blood vessels so the heart does not work as hard as it might.
I wonder. Should people with hypertension not take nadolol or its pharmacological stable mates because they cannot pronounce the ingredients?
consumersearch.com reports that experts choose the Graco SnugRide as the best infant car seat. One of the reasons is what Graco calls its “EPS Energy Absorbing Foam Liner.” EPS is the abbreviation for Expanded Polystyrene. Polystyrene is made from an aromatic monomer styrene.
Maybe that’s scary, too. Dr. Racha thinks that chemicals that smell good are bad for our babies. We’d better ban the Graco SnugRide. But, wait. Aroma therapy is all the rage. It’s supposed to be good for us. Or maybe that’s not what the aroma in aromatic means. Who knows?
What is going on here? Does Dr. Racha honestly believe that just because she thinks something might sound bad for us it really really is? When a second grader imagines that a dog ate his homework, he honestly believes that is true. One of the tests of growing up is that we stop blaming the dog.
The problem here is not whether babies should be exposed to phthalates or polystyrene.
The problem here is whether we should be exposed to fear mongering backed up by imaginary science.
Posted in Science (real), Science (not-so-real), PC, Geekery, Big Thoughts, Dick's Dumps | 1 Comment »


