A skyscraper is a vertically cantilevered beam. The primary structural design consdieration is not resistance to vertical (gravity) loads, but resistance to lateral loads from wind and earthquakes. For this reason, tall structures function and are designed conceptually as large beams cantilevered from the ground. (Illustration source: Earthquake Buddy)
Don't forget to add the "Stop for pedestrians" zones in the middle of most blocks on college campuses to the inefficient stop conversation. I wonder how much greenhouse gasses are added to the atmosphere because of these feel good zones.
The whole problem is that if the politicians admit that it was a mistake, that they will be expected to correct the problem. So nobody in Michigan politics admits to ever making a mistake. That is probably a political thing, I suppose.
Nobody will acknowledge that the four way stops reduce fuel economy, increase pollution, and make the intersections less safe. So that problem does not go away either.
We have lots and lots of four way stops, and a few 5-way stops also. In addition we have the "Michigan Flip" arrangement for making left turns on almost all divided roadways, residential or main. And no oil production anyplace to be seen, although there are some old wells that are not working. So please don't blame the oil companies for municiple government stupidity. They are the same fools who claim that stop signs at every single corner prevents speeding.
The problem with drivers in Michigan is that if you can pay the $16 you get a license, if you are over 21 years old. If you fail the written test they tell you the right answers and then give you the license. It seems that driving is regarded as a right, not an earned privaledge. And so we have a whole bunch of people who have no clue as to how to merge and are unable to focus their attention in order to drive safely. In addition they simply don't understand anything about inertia or friction, and how that relates to stopping a vehicle.
In addition we have a good number of folks with the classic "17 second reaction time" symdrome, and they often make for some real excitement on our roadways. And those snow-bird-brains are one more reason why I would nevber ever visit Florida again.
The Dutch are known for their love of bicycling, and they’ve also long been early adopters of green-energy and smart-city technologies. So it seems fitting that a town in which painter Vincent van Gogh once lived has given him a very Dutch-like tribute -- a bike path lit by a special smart paint in the style of the artist's “Starry Night” painting.
For decades, engineers have worked to combat erosion by developing high-strength alloys, composites, and surface coatings. However, in a new paper, a team at Jilin University in China turned to one of the most deadly animals in the world for inspiration -- the yellow fat-backed scorpion.
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