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Does anyone know if Tesla uses a different FM receiver in cars sold in Japan vs the rest of the world, or if it's the same hardware with software...
I think I've seen more specific aerodynamic efficiency information about the Bye Aerospace eFlyer planes than about the Eviation Alice. Largest...
Western Maryland Rail Trail - Wikipedia says that the Western Maryland Rail Trail isn't using certain abandoned railroad tunnels because there are...
I believe I have read that the plan for the Alice is that if either wingtip motor fails, the other will automatically be shut down, and the tail...
Heavy trucks are exempt from many of the safety standards, at least in the US, and Bollinger is making trucks heavy enough to be exempt as The...
Optimizing for energy efficiency per vehicle mile traveled seems to have been a key goal. If you don't care about aerodynamic efficiency and are...
https://bgp.he.net/AS14593#_whois PeeringDB both mention Starlink explicitly. It'll be interesting to see whether they build ground stations with...
https://bgp.he.net/AS27277#_graph4 https://bgp.he.net/AS14593#_graph4 shows some information about what paths some of SpaceX's networking...
Could the magnetic shield for Mars idea be applied to the moon to give it an atmosphere? NASA proposes a magnetic shield to protect Mars' atmosphere
Closer to the surface of Earth also has the potential to reduce the round trip time if there are enough satellites for one to be nearby at any...
The Ultracapacitors, Electrodes, & Battery Manufacturing Tech Tesla Gets With Maxwell Technologies | CleanTechnica mentions that Maxwell (which...
@SSonnentag: Is this a rooftop solar system? Do you have any spare roof space you'd be able to use to generate even more power to export to the...
Presumably the retracting brake pads will help to reduce brake dust. But did Tesla put any effort into trying to minimize the particulate matter...
Sensor size and quality can also make a big difference in low light performance. If one brand of relatively cheap 4K camera has poor low light...
I was surprised to read that Tesla is not using 4K cameras, but then again, there's a trade off between the amount of detail that can be seen vs...
I wish I had more awareness of what carbon price would cause carbon absorbing concrete such as Novacem and Ferrock to be used instead of...
Is it a viable replacement for R-410a in something like a Chiltrix CX-34 or Mitsubishi Mr Slim?
Getting safe bicycling infrastructure built is a huge political challenge, though.
For a Cub, a smaller kilowatt hour rating than the short range Tesla Model 3 might well make sense, but using cells with energy density as high as...
Do the refrigerants have any risk of causing ocean acidification and food chain collapse?
How hard would it be to adapt Model 3 batteries and motors to airplanes? I'm wondering if Home | CubCrafters could be building an electric...
Are you saying that driving for Lyft is in general a bad economic decision (which I think I would likely agree with) or that short range Model 3...
I'm trying to figure out whether the short range Model 3 is going to be a practical vehicle for full time Lyft drivers who have access to...
If Tesla takes the existing Semi design, omits the fifth wheel hitch, and simply makes the truck longer, would that be a good first step? (I...
Sucking carbon dioxide from air is cheaper than scientists thought claims Carbon Engineering’s design blows air through towers that contain a...
Presumably it would be possible to develop the takeoff distance for 50' obstacle chart both when the battery is 80% full, and when it is 50% full....
Has anyone gotten around to making the obvious thermostat that, instead of having a single temperature target, lets the user set two temperature...
6' long x 4' wide x 29" tall inside the wheels, plus 6' long x 1' wide x 29" tall on the outside on each side might work, though.
The challenge with a 9' long pack per axle is that if 3' of that length is even with the 3' horizontal wheel diameter, and 3' goes toward the...
I've been trying to figure out whether there would be any obstacles to building railroad trucks that have batteries built into the trucks. Much...
A New Lithium-Metal Battery Takes Flight in Drones discusses batteries that appear to have better energy density. Is this energy density good...
A highway lane can carry maybe 1800 or so vehicles per hour (3600 seconds per hour divided by 2 second following distance). And those tend to be...
I want there to be a Kenmore Supercharger and I want the Citgo sign turned into a Supercharger sign.
How soon can we get the gas pumps removed from the Mass Pike service plazas?
I'm not aware of any data about the Chiltrix products other than what's on their website; I suspect for the CX34 they're very much in the early...
In principle, it ought to be possible to connect a resistance heating element in a hot water tank directly to solar panels without an inverter;...
Burn Wise - Frequently Asked Questions | US EPA seems to be saying that propane and natural gas stoves are cleaner than EPA certified wood stoves....
While wood burning during cold snaps ought to end up being carbon neutral, I'm not sure it's otherwise ideal from a local air quality perspective....
New power plants in New England that run primarily on natural gas typically have been built in recent years to have the option of running on some...
Even if everyone switches to using only electric heating in the winter? When you're doing calculations with R value of insulation, isn't it the...
Would it? It's not a drop in replacement for existing jet airplanes, and it also not something you can conveniently use to store your renewable...
I think the Sun Flyer 4 is supposed to sell for around $350,000, which may turn out to be a bit less expensive than the purchase price of a new...
Is there any reason to think that a California EV subsidy will have any effect on global carbon dioxide levels at all? It seems pretty obvious...
Is that statement referring to resistance heating or to a heat pump? If everyone designs everything in a place like New England to just switch...
Virgin Atlantic has partnered with LanzaTech to make waste carbon monoxide from steel plants into jet fuel, and I think a variant of that...
Does anyone here have experience with using something like a Chiltrix CX34 to heat hot water?
What are your local sources of NOX, and what do you expect would be the most cost effective way to improve the situation?
A Sprinkle of Seaweed Could Deflate Gassy Cows says in sheep, 2% of the food being the right seaweed gets rid of 70% of the methane. The seaweed...
If we end up making an effort to remove carbon from the atmosphere, are we ultimately going to end up with giant piles of graphite? We could...
It seems that no genetic engineering may be required, as Silent, less deadly: Methane nearly eliminated from cow farts by seaweed says certain...