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35 votes
Accepted

Is micro rebar a better way to reinforce concrete than rebar?

The question headline seems to be slightly misinterpreting the company's claims Carefully rereading their claims, I realized they do not specify what Twisted Steel Micro Reinforcement (TSMR) ...
BobTheAverage's user avatar
20 votes
Accepted

Is the Great Wall of China visible from space?

"Space" and "visible" are poorly defined, but the broad question has been widely addressed already. Can you see it from the Moon, with a naked eye? No: NASA "The only thing you can see from the ...
Oddthinking's user avatar
  • 144k
10 votes

Is micro rebar a better way to reinforce concrete than rebar?

This is just a form of steel fibre reinforced concrete (SFRC) with twisted fibers. SFRC in general has been around since 1874. It's also been heavily research for at least 50 years (previous source ...
got trolled too much this week's user avatar
7 votes

Is the Great Wall of China visible from space?

"Next to impossible with the naked eye" Source:Space in Images DETAILS Title Great Wall of China Released 22/06/2018 11:00 am Copyright ESA Description ESA astronaut Alexander Gerst ...
GEdgar's user avatar
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5 votes

Is the facade of the Palace of the Parliament in Bucharest the largest surface used for projection mapping?

The Grand Coulee Dam spillway, at 550 meters long by 168 meters high, beats both the Bucharest Palace of Parliament and the Al Wasl Dome by a large margin (84000 square meters versus 23000 or 25000 ...
Mark's user avatar
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4 votes

Is micro rebar a better way to reinforce concrete than rebar?

Disclosure - I currently work for Helix Steel. I think the original question of 'better' is a little vague, and should be "can small wires replace long continuous rebar?" The answer is yes, ...
HelixRep's user avatar
2 votes

Is the facade of the Palace of the Parliament in Bucharest the largest surface used for projection mapping?

On 1st October 2021 the Al Wasl dome is due to open in Dubai. One of the many reports about the projection dome is 252 Christie projectors envelop Al Wasl dome in light Al Wasl dome features a ...
Weather Vane's user avatar
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