Do these drawings suggest a reason why diamonds are hard while graphite breaks apart easily?
Materials scientists are interested in knowing how a material’s macroscopic properties– such as hardness, resistance to extreme temperatures, electrical conductivity, and many others–are related to its atomic structure. This knowledge can be used to improve materials and develop new materials to meet specific needs. For instance, materials scientists at Lawrence Berkeley National Laboratory recently invented a new material that is harder than diamonds. It may be used as an inexpensive substitute for diamonds or to carve diamonds into intricate shapes for use in electronic devices.
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