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The Internet has many places to ask questions about anything imaginable and find past answers on almost everything.

Does concrete harden for 100 years?

The thicker it is, the longer it takes. The Hover Dam is the tickest chunk of concreat on the planett and will likely take hundreds of years to cure compleetly. Concrete does continue to harden over time. In the hoover dam, the inner concrete is still not cured It will take a few decades more before it cures.

Is ice harder than concrete?

The compressive strength of water ice at a reasonable temperature (~-10°C) tops out at about 10 MPa. The minimum compressive strength of concrete used in residential construction is about 17 MPa. So concrete is at least about twice as hard as water ice.

What is the hardest thing known to man?

(PhysOrg.com) — Currently, diamond is regarded to be the hardest known material in the world. But by considering large compressive pressures under indenters, scientists have calculated that a material called wurtzite boron nitride (w-BN) has a greater indentation strength than diamond.

Is ice stronger than stone?

Ice is softer than rock. … You are correct in stating that ice’s official “hardness”, as measured on the “Moh’s scale of hardness of minerals”, is only 1.

Is ice stronger than steel?

Ice is always brittle. … This also plays into the definition of hardness and brittle strength. For example glass and cast iron are both much much much harder than steel, however they are more brittle.

How strong can ice get?

Ice can never be as strong as most metals but it can get extremely strong when super cooled, an example is ice on the surface of most jupiter and neptune moons, the ice there at -190 degrees Celsius is as hard as a granite rock.

What is the hardest type of ice?

1 Answer

  1. Diamond. Its hardness is legendary. …
  2. Methane. At least it might be harder than nitrogen.

How many types of ice exist?

300 kinds

What does Ice Nine mean?

Icenine is a fictional material appearing in Kurt Vonnegut’s novel Cat’s Cradle. Icenine is supposedly a polymorph of water more stable than common ice; instead of melting at 0 °C, it melts at 45.

What percent of ice is air?

10 percent

Where is the most ice in the world?

The two ice sheets on Earth today cover most of Greenland and Antarctica. During the last ice age, ice sheets also covered much of North America and Scandinavia. Together, the Antarctic and Greenland ice sheets contain more than 99 percent of the freshwater ice on Earth.

What is the largest glacier in the world?

Lambert-Fisher Glacier

Could we survive an ice age?

Sure they can survive a modern Ice Age. … The last Ice Age has not ended. We are still in the Ice Age that began about 2.

Could we have another ice age?

Researchers used data on Earth’s orbit to find the historical warm interglacial period that looks most like the current one and from this have predicted that the next ice age would usually begin within 1,500 years.