The worlds lightest material known to science has a structure that is made out of around 99.99% air (says aerospace company - Boeing). The name of the material goes by Microlattice; the lightest metallic structure ever made. In fact the material is so light it can actually balance on top a dandelion; however, don't be fooled, for the material is very strong.
One of the main applications that Boeing has been investigating is the possibility of using microlattice for the material in aeroplanes for the use of wall or floor panels, helping to save weight on a flight which will therefore make the plane more fuel efficient.
Sophia Yang, a research scientist at HRL Laboratories (a joint boeing venture) stated "that it's exciting to work with things that we make, that can then be used in a real product which users can interact with".
HRL laboratories also does research and development from General Motors, so we may see the material pop up in automobiles in the future too.
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