Hubble's impactful life alongside space debris

During its 30 years in orbit around Earth, the NASA/ESA Hubble Space Telescope has witnessed the changing nature of spaceflight as the skies have filled with greater numbers of satellites, the International Space Station ...

Kitchen sponge supercapacitor has many porous benefits

By dipping small pieces of an ordinary kitchen sponge into solutions of nanoscale electrode materials, scientists have created a light-weight, low-cost supercapacitor that benefits from the sponge's porous structure. The ...

Crumpled graphene could provide an unconventional energy storage

When someone crumples a sheet of paper, that usually means it's about to be thrown away. But researchers have now found that crumpling a piece of graphene "paper"—a material formed by bonding together layers of the two-dimensional ...

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