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scientist and son show Silly Putty and Silly Putty + graphene

SILLY SENSOR Scientists created a pressure sensor by mixing graphene into polysilicone, a stretchy, viscous goo, forming a gray putty, as shown by study coauthor Jonathan Coleman of Trinity College Dublin. Polysilicone is also found in the children’s toy Silly Putty, shown by Coleman’s son Oisin.

bubbles

TINY BUBBLES  Cooking up Earth’s first life probably required many “pots.” Spatial segregation into different pools or separate droplets might have helped the first self-replicating molecules survive. Later, protocells like those shown here provided more stable compartmentalization.

quasicrystal

QUIRKY CRYSTAL  A new type of quasicrystal (enlarged, right) has been discovered inside a fragment of a Russian meteorite (left), as seen in this backscattered electron image.

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