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The Matter of Life

Is the composition of living things similar to that of their surroundings? And why aren’t we made mostly of metals?

Ori Taichman April 1, 2020 זמן קריאה משוער 4
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Is There Really Such a Metal as Brass?

Brass is not an element but an alloy (mixture) of copper and zinc. It is a harder and stronger metal than copper, but has a lower electrical conductivity.

Dr. Meir Barak March 31, 2020 זמן קריאה משוער 2