New method could yield fast, cross-country quantum network

Quantum computers offer powerful ways to improve cybersecurity, communications, and data processing, among other fields. To realize these full benefits, however, multiple quantum computers must be connected to build quantum ...

Online sales of a wild bat sold as décor threaten species

A fiery orange bat, its wings folded and tiny teeth forever bared on its fuzzy face, is mounted inside a 6-inch, black coffin. Its retail price: $59. Or, for $140, you can get one framed with its black and orange wings spread, ...

Engineers use machine learning to measure chaos in systems

How do we measure chaos and why would we want to? Together, Penn engineers Dani S. Bassett, J. Peter Skirkanich Professor in Bioengineering and in Electrical and Systems Engineering, and postdoctoral researcher Kieran Murphy ...

Green hydrogen: 'Artificial leaf' becomes better under pressure

Hydrogen can be produced via the electrolytic splitting of water. One option here is the use of photoelectrodes that convert sunlight into voltage for electrolysis in so-called photoelectrochemical cells (PEC cells). A research ...

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