Is official. 2024 is using early 2000 blockbusters movie's plots now. What a bunch of lazy screenwriters.
this post was submitted on 09 Jul 2024
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Not the same damage, nor the same cause.
Not the same Sun?
Not the same solar heat ray focused entirely on one bridge.
Tomatoes/ nuclear radioactive mutated Tomatos 🍅
... Pretty much the same 🤷♂️
Attack of the killer tomatos isn't the same as a good Beefsteak
/j
Point taken 👍
Here, you now have free long distance on this phone. Forever.
We had a similar issue with an older bridge here in Gothenburg, Sweden. The fix was to install water sprinklers during the summer to keep the bridge from expanding too much.
Dumb question, but why is the water cooler than the bridge? Because it was underground? Or does the evaporation help because it's endothermic?
Both. Even the river water below the surface will be cooler than steel that's been sitting in the sun. And putting that cool water on the bridge absorbs some of the heat and is removed in evaporation, just like sweating.
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Probably because the metal absorbed heat from sunlight and heated up considerably, but the water was room temp only.
It's a good question. Steel is very good at absorbing and retaining heat. Water on the other hand isn't. Metals in general have way better thermal conductivity than water.
Exposed to the sun at the same time, a piece of metal will warm up a few times faster than the water. I believe steels can be somewhere around 8-10 times less energy required than to heat a similar mass of water.
The water could even start out slightly warmer than the bridge. Evaporative cooling would also work here since there is plenty of ventilation around the bridge. But that can slow down based upon humidity level.
Because metals have way better thermal conductivity, they aren't good at retaining heat.
Heating equal masses of steel and water the same amount takes exactly the same energy, it just might take longer for the insulator vs. the conductor.
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Probably both. Definitely evaporation will remove the most heat if both substances are at the same temperature initially.
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There's a "spinning" draw bridge that goes onto Gwynn's Island in Virginia that they have to do this to. Not sure how new of a phenomenon that is but it's been at least a few years now.
Not the same traffic backup as NYC, but crazy still.
Okay... so... Republicans... I know you're not big on science, but the Earth is not supposed to get so hot that metal expands to the point that we can't move a metal bridge that's reliably moved for a very long time.
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