Elon Musk calls Brit diver a "*****"

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I almost went toe to toe with Tobes just to make this **** look realistic

Hope I get an Oscar at the annual awards event

 

Apart from that bit where I tried to frame brb. He had nothing to do with it, think he was in Vegas at the time

 

Elon Musk opens "hyper loop" next month apparently, except it's not the hyperloop It's a ****in subway tunnel

A vacuum train is a 100 year old idea FYI yet somehow Musk gets credit for the idea
Its just that no one has been able build the vacuum tube the train must travel in, and neither has Musk been able to, simple matter of physics, the energy needed to maintain this vacuum over KMs of tube is immense, and the energy released by a break in the tube would be a catastrophe.

The idea is even older actually, MUCH older
"in 1799, George Medhurst of London conceived of and patented an atmospheric railway that could convey people or cargo through pressurized or evacuated tubes"

Now the media are reporting this tunnel, merely an underground tunnel like any other subway, as the "hyperloop"

When will people stop listening to this ****ing moron? Tesla is a mess, solar city is gibberish and SpaceX is nothing without NASA and vast sums of free money from tax payers


Suddenly the "Hyperloop" vacuum train, is now a subway train called "high speed loop" See what they did there Just build maglev trains underground instead ffs

 

Take your pills, Sisu.

 

I think he's already taking illegal types.

 

I thought you were a physicist?

How is energy required to maintain a vacuum?

 

Presumably the tunnel would require maintenance; and that maintenance would require energy being expended.

Conventional rail travel is incredibly energy efficient, and once you have overcome inertia and got moving, it requires very little energy to pull enormous weight along a railway. The huge hidden cost, and energy expenditure, of running a railway lies not in running the trains, but in maintaining the infrastructure. I’m no physicist myself but I imagine those costs would be magnified the more high tech the rail network was.

 

I agree with that and Sisu is right that a large vacuum tunnel would be very hard to maintain. But that can in principle be overcome by very robust construction. You shouldn't need to expend much energy in maintaining the vacuum - I'm really making a physics point that he isn't using the term 'energy' correctly.

Your argument above is of course why high speed train networks are more efficient than low speed ones. If you double the speed then you get nearly twice as many passengers moved for the same number of trains. Its not about shortening the journey times (although that helps in making the line more economic as it attractes more passengers).