Can you wake up from a dream and go back to it?

People report being able to resume dreams after waking up although it is rare. It is possible that it happens more frequently but there is much of dreams that is not remembered upon waking. It is possible to train yourself to resume dreams after waking. This is one of the primary purposes of lucid dreaming.

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Also, can a floor collapse from too much weight?

The answer is that, absolutely, weight can cause a floor to collapse. Often, the older the building, the less the floor will be able to support, because many materials weaken with age. Even within a floor, there are wide variations in weight limits. Is the stairway the strongest part of a building? The stairwells and chimney breasts are usually the strongest as they are often designed to provide the building rigidity from the wind. In general part of the building expected to be the strongest would be lower part of the building, to be more specific, it would be lowest column in the building.

What is an indicator of structural collapse?

Construction features that should be considered collapse indicators: Unprotected stool columns and beams exposed to heavy fire. Expansion of structural steel being attacked by the heat of a fire. Unprotected lightweight steel and steel bar joist roofs subjected to heavy fire conditions. Accordingly, what is the longest someone has survived in a collapsed building? However, people have been known to be rescued alive beyond this point. In May 2013 a woman was pulled from the ruins of a factory building in Bangladesh, 17 days after it collapsed.

Subsequently, which floor is safest in earthquake?

Ground floor is the safest. Since it is the easiest to get out of the building to a clearer more safer place. Staying inside the building is very unsafe. Moreover, where is the safest place for a building to collapse? Seek shelter in a doorway or under a desk. Stay away from windows, shelves and heavy equipment.