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The cause of Pisa tower tilt
Pisa's leaning tower, the world's most famous tilting work, is the result of the unintentional and inadequate planning of engineers.
Floor
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Articles about Floor
432 published items.
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Why is the elevator door open when there is no cabin?
Although it is a rare incident, according to engineers, experts, the elevator floor door can be opened without a cabin in some situations such as safety supervision circ…
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Secret of preventing toxic smoke when the apartment is burnt
The cause of death of most fires and fires is smoke.
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Real damage about '5-second rule'
The food that falls on the ground less than 5 seconds does not have enough time for bacteria to stick to the soil so it can still be eaten safely.
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Why are mirrors in the elevator often fitted?
A lot of us all know that in a normal elevator there is a mirror installed, what is the effect of this mirror?
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Mistakes in horror movies
According to Newton's law, ghost images will have to be rebuilt, a physicist who used mathematics and physics to find holes in Hollywood's ghost and vampire shaping - de…
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Paternoster - The most dangerous elevator in the world
From 1970 to 1983, 5 people died when using this ladder at Newcastle University.
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The pool in the sky is super unique
The swimming pool project suspended on the 10th floor in London, UK will surely make tourists come here to admire and admire.
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What's inside of IBM's quietest room in the world?
Inside the center, there are 6 soundproofed underground rooms to completely remove all sound from sound waves, physical vibrations to external electromagnetic radiation.
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'Graveyard' giant aircraft from World War II on the ocean floor
Over the past 70 years, many aircraft have been left behind during World War II
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4 world's deepest artificial works
There are gigantic buildings that do not bring us close to the sky like the Egyptian pyramid or St. Peter's church but built in the exact opposite direction, which is di…
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Learn the origins of cotton bricks 'classics'
Talking about cotton tiles, marble tiles
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Inside the only nuclear reactor in Vietnam
For more than 50 years, Da Lat nuclear reactor under Da Lat Nuclear Research Institute is the only place in our country to research and create radioactive products.
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Discover military wonders on Quang Tri fire land
18,000 man-days were mobilized to dig tunnels with a total length of more than 2,000 meters of military wonders on Quang Tri fire land.
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Strange cave town in Spain
Guadix town in Spain is built in the ground, featuring hang houses and hospitality of the people is always another attraction in and outside the country.