hwillis

87 ms·

871.
by hwillis 7y ago
> Epstein pleaded guilty to soliciting an underaged prostitute in 2008. And the investigation stemmed from a mother bringing her daughter to the police station after she had been at Epstein's mansion. And the evidence included ove
872.
by hwillis 7y ago
> Self funding, while difficult and not applicable to all agencies, seems to inoculate regulatory capture somewhat. I would absolutely want to see statistical evidence of that before I supported it. Regulatory agencies are destroyed fro
873.
by hwillis 7y ago
It's worse, the specific stuff released here is LNAPL[1], which is basically the light liquid components like alkanes, benzene etc. They all flow right along at the highest point of groundwater. They've been going directly into t
874.
by hwillis 7y ago
Yup. The specific stuff released here is LNAPL[1], which is basically the light liquid components like alkanes, benzene etc. which all flow right along at the highest point of groundwater. They've been going directly into the groundw
875.
by hwillis 7y ago
Literally the first sentence was that Marvin Minsky was implicated in his crimes[1]. > Did they already know about the things he was doing when they took the money? Clearly yes: "Joi asked me in 2014 if I wanted to meet Epstein, and
876.
by hwillis 7y ago
No, it is not. In practice all governments have capitalist and socialist aspects. Having a single socialist program does not define a country as socialist. The UK has nationalized healthcare- doctors are literally employees of the governm
877.
by hwillis 7y ago
I didn't see any indication, but I'd give ~0% chance that the full address space can be accessed in one clock.
878.
by hwillis 7y ago
uuuuuuugh
879.
by hwillis 7y ago
> I thought socialism had a relatively strict definition. It does. It is social ownership of the means of production. As a democratic socialist AOC believes in worker ownership and democratically controlled market entities. Accordingl
880.
by hwillis 7y ago
You can also just buy a used EV. If it has more than 40-60k miles, has already paid itself off. Completely, not just the extra cost of manufacturing.
881.
by hwillis 7y ago
> The semiconductors in that thing can't possibly be $100,000 in volume. Copper is roughly $10 per kilogram--or $100,000 and you could use 10 metric tonnes--there is no way those things hold 10,000 kg of copper. I mean... yes, you&#
882.
by hwillis 7y ago
No, electric vehicles are the best option in nearly all cases. Natural gas makes Boston electricity one of the cleaner grids in the country. For my zip, a LR Model 3 makes 131 MPG[1] per unit of CO2, while manufacturing produces ~5 tonnes
883.
by hwillis 7y ago
Yeah, Tony Heller- the guy who believes methane isn't a greenhouse gas and cherry picks for cherry picking. What a quack
884.
by hwillis 7y ago
> Only, in this case, by preventing fires we're keeping more carbon locked into plants. Completely backwards. For example see slash-and-burn farming[1], where fields are intentionally burnt to return carbon to the soil . Plants,
885.
by hwillis 7y ago
> (accelerating for longer at low RPM and very high torque is overall less efficient than accelerating for a shorter period of time at a higher RPM, given identical start and end speeds). No, that's the whole point of short shifting
886.
by hwillis 7y ago
like... an inductor? Inductors and capacitors are opposite in behavior, but a series capacitor can be replaced with a parallel inductor and vice versa. In that sense they are counterparts. It is not possible to make an inductor out of pur
887.
by hwillis 7y ago
Yep, mainly. You still need basically the same circuitry, but 3x simpler- you only need one phase instead of three. However you still need the same PWM-type controller to do it. The single phase can operate at several times lower speed t
888.
by hwillis 7y ago
Sure, there are lots of ways you can make a motor that will mess that up. You can put in current-limiting fuses. Many motors cool themselves with fans, so they can dissipate lots of heat at speed and will just burn up if you try to add to
889.
by hwillis 7y ago
There are a number of goofy marketing-wank sections on there. Written by an engineer, but it's got the ring of someone really stretching to sound innovative. > As much as 30% of the typical copper needed is reduced by having all
890.
by hwillis 7y ago
-Nothing in the article or video says they have actually built prototypes. -They say it can be built without rare earth elements, but say nothing about how that affects performance. Everything else is for the magnet version and they use
891.
by hwillis 7y ago
> The motor in the article seems to combine a classical cylindrical design with a planar design (poles places on a disc). I would probably describe it as a toroidal motor[1]. [1]: https://www.moog.com/products/motors
892.
by hwillis 7y ago
Relative permeability is the characteristic of electrical steels that lets them carry magnetic fields. M19 steel has a permeablity ~8500x higher than vacuum[1]. Permittivity is the characteristic that allows dielectrics to transmit electri
893.
by hwillis 7y ago
> every ICE has very narrow areas of RPM×torque that give you acceptable efficiency (typically those with high mean effective pressure). You could totally get away with three gears and still get to 150 km/h, it's just that it w
894.
by hwillis 7y ago
What you're describing[1] is only true for fixed-voltage controllers. With a real driver, all motors will behave as I described, even induction motors[2]. The only caveat is that due to saturation and hysteresis there are obvious non
895.
by hwillis 7y ago
That single reduction at the motor is not very important. Remember that there are many more gears in the car besides just the drive reduction! There's one gear mesh (spot where two gears meet) in that reduction, then five per diffe
896.
by hwillis 7y ago
> Surely the advantage would be the same as for an IC engine. No. The two types of motor are fundamentally different. Combustion engines need transmissions because they produce relatively constant torque (within 50% of max torque). E
897.
by hwillis 7y ago
> I just want to mention that improving motor efficiency would also help with some of the other losses you mention. It's not that simple. Increases in torque are strongly associated with increases in current- torque is directly pro
898.
by hwillis 7y ago
No, doesn't look like. Halbach arrays use magnets in different directions to smoothly redirect a field; you can do the same thing with iron or soft steel. Since the field on the back side of the magnets is basically static it doesnt
899.
by hwillis 7y ago
One picture clearly shows a cooling jacket, and the renders look like liquid could flow into the stator the same way the wires do. Having an outrunner configuration for this motor makes very little sense. It's hard to cool and power,
900.
by hwillis 7y ago
> Are you going to ban people from giving opinions as to whether various investments are good or not? We already do basically do that for legal and medical advice.

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