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Comment: Re:What? (Score 1) 215

by Firethorn (#44036031) Attached to: Volvo's Electric Roads Concept Points To Battery-Free EV Future

It could be not so easy to get to some gas stations. On Saturday they are full, and you may need to back out if the vehicle in front of you is a large truck.

I had no such problems on a week long drive from North Dakota to Alaska. My truck alone is likely longer than an EV + tiny trailer, and remember one of the trailers had active steering. Worst case, if you can't back up that well, you wait until the truck in front is done and then pull out.

First, their own skills in towing deteriorate.

Again: I learned in one day, with a much bigger, nastier trailer. Oh, and 'brake too hard'? Being able to take more than full power braking is part of the design. Heck, some trailers have their own brakes. This little midget wouldn't though.

Really, you're posting a lot of 'what ifs' that are already answered. It reminds me of a couple different topics.

Second, the trailer itself may be inoperative after so much idle time. It contains an engine, a battery perhaps, and a gas tank, and some fuel system..

Never pictured people actually buying them, remember? I pictured them renting them from U-haul. If you have enough use to actually buy one you're better off with an actual hybrid.

all that can easily fail after you leave the thing in the garage, unattended, for a year. Would it be safe to depend on such a system that is used so infrequently?

Not quite a year, but in my case: motorcycle, lawnmower, standby generator, edger, chainsaw, etc... are all not used 6-9 months out of the year. For the ones with batteries, you hook it up to a trickle charger occasionally, and for all of them you either empty out the gas or dump fuel stabilizer in there. As for the rest of it, not really necessary in my experience.

The main problem here is that today's EVs do not do (for many people) what machines are supposed to do, and that is to make our life easier.

For select people, they do make things easier. There are reasons why I don't own one yet. And yes, today's EVs need a lot of improvement. Hopefully they get that improvement, like having superchargers(or better yet their more open successors) scattered around like gas stations. Well, not like gas stations, I'm picturing some around every restaurant and other business that somebody might want to stop by for an hour on a long trip.

What if there is only one supercharger that you can stop by, and that one gets damaged by some lightning, sent down personally by Zeus? We have no such problem with gas cars because gas stations are everywhere.

I don't know, what do you do if the road is washed out in a storm? If the lightning instead hits the only gas station within 100 miles(I've traveled through areas like this) and fries their pumping system? Not enough charger stations is purely an infrastructure build-up problem. It's nothing insurmountable. Heck, if the situation is bad enough just stop for the day and plug into a lower power charger.

Comment: Re:fake rhino horn (Score 1) 513

by Firethorn (#44035957) Attached to: Canadian Couple Charged $5k For Finding 400-Year-Old Skeleton

Molds cost a fortune and make the exact same part every time.

Depends on how you define 'fortune' and how the mold actually works. I'm not picturing one of the really high pressure ones. As for 'exact copy' have somebody dressing them up after they come out, plus have a dozen different molds.

Comment: Re:wtf (Score 5, Insightful) 314

by pla (#44035183) Attached to: Supreme Court Decides Your Silence May Be Used Against You
The 4th amendment doesn't apply (as the 5th in this case doesn't)... because said right was waved through the actions of the person involved

Inalienable (Adj): - Unable to be taken away from or given away by the possessor: "inalienable human rights".

If you convince someone to sell themselves into slavery to you, you can't enforce the contract because they can't "waive" their 13th amendment rights.

Comment: Re:Hey.. would ya pass me the constitution.. (Score 2) 314

by meta-monkey (#44035081) Attached to: Supreme Court Decides Your Silence May Be Used Against You

As much bad news about the Constitution as we've had lately, here's the sitch from TFA:

On the morning of December 18, 1992, two brothers were shot and killed in their Houston home. There were no witnesses to the murders, but a neighbor who heard gunshots saw someone run out of the house and speed away in a dark-colored car. Police recovered six shotgun shell casings at the scene. The investigation led police to petitioner, who had been a guest at a party the victims hosted the night before they were killed. Police visited petitioner at his home, where they saw a dark blue car in the driveway. He agreed to hand over his shotgun for ballistics testing and to accompany police to the station for questioning.

Petitioner's interview with the police lasted approximately one hour. All agree that the interview was noncustodial, and the parties litigated this case on the assumption that he was not read Miranda warnings. For most of the interview, petitioner answered the officer's questions. But when asked whether his shotgun "would match the shells recovered at the scene of the murder," petitioner declined to answer. Instead, petitioner "[l]ooked down at the floor, shuffled his feet, bit his bottom lip, cl[e]nched his hands in his lap, [and] began to tighten up." After a few moments of silence, the officer asked additional questions, which petitioner answered [citations omitted by me].

He wasn't under arrest and was voluntarily answering questions. Then not. Then was. He just shouldn't have talked to or gone with the cops in the first place.

Comment: Re:Isn't this what we would expect. (Score 1) 90

by gmhowell (#44035017) Attached to: Ocean Plastics Host Surprising Microbial Array

Know what the difference is between Strychnine and LSD is, chemically? There isn't one. But the way the atoms are arranged will make the difference between a pleasant experience and a painful death.

Please stick to topics on which you have at least a passing familiarity. LSD is C20H25N3O. Strychnine is C21H22N2O2. Not even vaguely similar chemically.

Comment: Re:Bad Summary (Score 1) 314

by meta-monkey (#44034921) Attached to: Supreme Court Decides Your Silence May Be Used Against You

IANALBIPOO/.FWTWWIN (I Am Not A Lawyer But I Play One On /. For What That's Worth, Which Is Nothing)

No, you do not have to identify yourself. You can literally remain absolutely silent. However, when processing you into jail, they have to verify your identity. Telling them your name and address can speed up that process so you can get working on getting bailed out more quickly.

Comment: Re:What? (Score 1) 215

by Firethorn (#44034445) Attached to: Volvo's Electric Roads Concept Points To Battery-Free EV Future

However that would also mean that the car can be recharged from 0% to 100% in 40 minutes - and that is not what happens in reality. Initial charging is faster, and as you say the last 5% may be not even desirable.

Like I said earlier, for longevity purposes Tesla actually has their system report it's full and stop charging at about 80% of the maximum charge it's battery pack could actually take. That avoids the 'last 5%' slow charge problem pretty much completely, as a LiIon battery pack will still be charging at a good rate until it's over 90%. Figures are approximate due to variability in chemistry, battery size, what's considered a 'fast charge', etc...

Wiki and other sources are quoting 'about an hour' for a full charge, with 50% being 20-30 minutes, but then Tesla's website mentions that they're upgrading(have upgraded?) their supercharger stations to make charging even faster, so the 30 minute references might be for the older stations. All figures are for the longer range 85kwh battery.

However EVs cannot pull a trailer.

They can't? I mean, google has all sorts of hits...

Once the manufacturer installs the hitch, they cannot control what kind of a boat, or a horse carrier, or a heavy trailer will be connected there. They'd need to come up with some nonstandard interface, that is guaranteed to only support the charging trailer.

Actually, they can. My light truck, for example, has a class II receiver(3.5k pounds), which is 2". On the open market I can only get class 1(2k pounds) or 2 ball mounts that fit my receiver. If I had had the tow package, I could have put a class III on(5k pounds). With a regular EV, you'd get one with a 1 1/4" opening, which you can only fit the smaller ball on, thus only the smaller trailers with that type of hitch.

If somebody goes through the effort to custom make a 1 1/4" bar with the larger ball in order to hook up a large boat to their EV, the damage is going to be warranty voiding obvious. Most of those things are designed to hook into a special hitch installed into the bed of a pickup or on an actual semi.

Meanwhile, there's all sorts of instructions in my truck on how much I can tow. There's stickers on trailers as well, all I have to do is play 'equal to or less than'. Places like U-Haul are well used to educating users, and have a selection of light tow trailers that even smaller cars can haul. I figure they'd be the ones renting out the generator trailers anyways.

There is yet another issue. Most people do not know how to drive with a trailer - not just in reverse, but even forward. I guess they could learn, but the clientele that buys EVs is fairly demanding.

I learned in the course of a day. I wouldn't rate myself as expert, but some of these models are designed to help prevent jackknifing when backing, and you shouldn't be doing much of that given that you're only going to be using it(theoretically) on the highways. I learned with a 3k pound loaded trailer without fancy steering.

I priced that rental online, and it was more than $500 for a week.

The price I found was $320 for a SUV from Enterprise, like I said. Your dates might have been bad, or the area expensive, etc... *shrug*, rental prices vary a lot. As for snow chains, well, I own a set, they aren't cheap, but well, I live in Alaska, paranoia is professional for winter up here.

$20k would get you a pretty good older used SUV as long as you're careful. But transaction, registration, inspection, and insurance costs would eat up any savings from buying if your use is irregular enough. I'll note that you didn't buy an SUV instead of renting, you delayed your trip.

But, I guess, everything is expensive with EVs; if you have to ask for the price you cannot afford it :-)

Same can be said for many things; I'm warped, both parents are accountants. I do those sorts of figuring as a routine matter of course.

If you're not attached to your vehicle, rent one. If you're attached(or going one way) rent a trailer. If you're going camping, figure the ability of the trailer(and car) to provide electricity in remote locations. If you get a light enough trailer you can move it by hand if necessary. Heck, I can do that with MY trailer when it's empty, and it's a covered trailer big enough to put my motorcycle into.

Comment: It reminds me of GPS or radio telescope signals... (Score 2) 53

by PetoskeyGuy (#44034275) Attached to: Echolocation For Your Cell Phone

I *gasp* read the actual document (http://www.pnas.org/content/early/2013/06/12/1221464110.full.pdf+html) and it sounds like some pretty complicated work. It relies on a bunch of separate microphones to listen in an absolutely silent room for the exact same noise and the echos of bounces. Since you know where the microphones are in relation to each other you can compute when the initial sound and echos hits each microphone and from there reverse construct where the sound must have originated and the echos tell you what it bounces of off.

The math is a bit beyond me after being out of university for so long, but it seem similar to transliteration using in GPS where thanks to very fast sensor readings you can figure out where you are in relation to a fixed signal. To compute the shape in the in a noisy environment I wonder if you can use a "known" sound where you could listen for only that and filter out the regular noise. Either way the computation involved would be impressive but maybe not for the elusive "5 years time" computer.

It would be cool to have something like this in my fishing boat where instead of a dot on the screen I could get something that tells me where the fish are and what kind too. :-)

Maybe you could arrange them in a golumb ruler layout to further speed up processing... *sigh* Making websites pays well, but I miss computers science.

Comment: Re:So the correct action is... (Score 1) 513

by Firethorn (#44034045) Attached to: Canadian Couple Charged $5k For Finding 400-Year-Old Skeleton

That means... wide-open parks that cannot be reasonably policed.

There's a dude storing up horn in case it ever becomes legal to sell it from Rhinos he 'ranches' himself as is. He manages to keep them protected; remember that he, at least in his own mind, has a very good incentive to have an effective protection program up, not to mention that since all the Rhinos are missing their horns(on average), they're not as good of a target for poachers.

I'm not saying that it's as cheap as farming cattle, where raising a steer worth not even $200 is still economical, but when a horn you can harvest something like 10 times over the animal's life is worth $20k, you can go through a lot more effort and still have it be economical. Heck, even if you depress the price to a 'mere' $2k, and raise the price of raising them an OOM over a steer, they're still easily worth it.

The trick is to make sure people can verify it was responsibly harvested.

The people buying it, on average, don't care. The trick is to ensure that the government/customs agents can verify it's legally harvested stuff, but once the legal horn harvest herds are big enough, the trickle of illegal horns won't actually be that big of a deal since the price will be so depressed, it won't normally be worth a poacher's effort/risk. What's worth it right now at $200k per horn might not be worth it at $2k.

It is clear that the individual who persecutes a man, his brother, because he is not of the same opinion, is a monster. - Voltaire

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