Breakthrough: This metal is almost as light as air

extremist - lightweight materials are an unbelievably cool area of materials science , bringing us crazy essence like aerogel . And now , for the first metre , scientist have grow a metal that ’s so promiscuous it can balance on the frippery of a blowball . Here ’s why this stuff is radical — and how it ’s made .

Ultralight material are unremarkably made up of helter-skelter structures , like the bubbles in aerogel . But this alloy is create out of a solid , retell structure . It ’s call anultralight metal microlattice , and it ’s produced in an challenging way . The method acting involves using a liquid photopolymer which solidifies when hit by ultraviolet radiation . Scientists shine light on the liquidness through a pattern . Only the disclose bits of the liquid state become solid , create a lattice - body of work scaffold , which is then coated with Ni - phosphoric . Once the photopolymer is etch away , all that is left is a 3D , vacuous lattice of metal which is more air than anything else .

This stuff weighs less than one milligram per cubic cm , completely recoil back after contraction , and is made of a repeating fretwork . It has incredible potentiality for use of goods and services as thermic insulation ; acoustical , vibration or jounce dampening ; energy absorption and retrieval ; and electronic part . Me ? I just want a chunk of this hooey to dally with .

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