What is density of concrete how it affects the strength of concrete?
One thing that I've learned about concrete is that it takes 100 years to reach full strength and fully cure. The next 100 years concrete it starts breaking all the way back down. Also concrete is more reinforced with the more re-barb you use, which was proven in World War Two.
by ngureco3 months ago
What Century Are We In Now? When Does A Century Starts And Ends?
by Richard J ONeill5 years ago
This is a topic I am forever mulling over in my curious mind; I'm just as curious to know what everybody else thinks about this? Where will we be as a race in 500 years time? Will we still be here?Will we have achieved...
by RASantos20 months ago
What if ringing of the ears is truly a message, can it be proven with technology?I have had low level constant ringing in the ears for fifty years. But also loud ringing when there is an event about to happen that...
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