35 karma · joined August 29, 2018
So for instance you could have 10 elevators going up and 10 going down, using 2 tracks. With switches at the bottom, top, and middle. After someone is dropped off, the elevator moves to the down track until called. You could fit way more elevators and have more floor space for real estate. Plus you could harvest the electricity going down instead of burning it on the brakes. It would just need a really good safety to guarantee it won't plummet in a motor/power/computer failure.
To me what's interesting about elevators is the mathematics. First the control system and how it matches the cab to the floor level within millimeters. Especially on tall shafts where the cable undoubtedly stretches.
Second is how they activate the control system. For instance if you push the button while it's moving full speed, it has to know which stops it can make in time.
Also handling erroneous input, ie 12 year old me pushing all floors on a 30 storey building, at some point it becomes wise to my antics and cancels all the calls.
Then you have the (linear programming?) optimization of where to put the cars. Statistically most calls originate at the bottom floor. So you optimize time by not allowing all 4 cars to loiter near the top. This gets even more complicated if 2 elevators are moving simultaneously down and someone below presses Down. Which one should stop?
I have no idea how they actually do this stuff, but I know it's more complicated than it appears.
Or the shaking of the floor. I worked in a "modern" high-rise of a well known company with open offices and the floor felt like it was made of Ikea particle board skin of an under-floor giant African drum.
Edit: downvoted for asking a question. Thanks reddit.
That's my point. Not an "accurate" but misleading accusation at the software without considering the hidden variables.
Fatalities aren't good things, but they're inevitable consequences of driving. And it's disingenuous to expect anyone's code to be guaranteed to work on every mile of road in the US, under all conditions, at all times. If autonomous vehicles substantially reduce overall fatalities we are better off.
(Nobody talked about banning combustion vehicles after the pinto or banning Fords over their side mounted fuel tanks or their explorers that rolled over when the defective tires blew out)
Neither do the US. Ask Bernie Sanders.
Even better if you created a "burner" corporation. Ie P.O. box in Delaware and act on their behalf. They have to take you seriously because corporation, amirite?
Use the bloated webpage several times while a learning algorithm watches which links you click. Once it's trained, it then renders the document in an invisible frame buffer, extracts the clickable links, and presents them to you on a clean UI.
If privacy weren't a concern, the plugin could aggregate clicks to the same site among different users and learn much faster. So it watches 500 users visit yelp.com and notices none of them click on the ad or the privacy policy, so the ad link us stripped from the simplified view.
Something similar could be done with news sites. Render that bloat off screen, extract the article, render it in a 1990's style page (or just a json file that can be rendered however you like, say in lynx)
What do you think about the idea of using the sewer system to lay either fiber or 10+gb copper? Before you think about how gross that is, consider the advancements in drone robotics. You would need to devise a cable-laying robot that could traverse the sewer via remote control. Mount fixtures to the top of the pipes and string the cables through, connecting neighborhoods.
This would require convincing the city to lease you the right-of-way and put up a bond to cover any repairs to damage caused by the cables. But it would solve both the bandwidth problem and the "those are our telephone poles!" Problem. What do you think?