How math can help the BBC with impartial reporting

In her keynote MacTaggart lecture at the Edinburgh International Television Festival in August, former BBC presenter Emily Maitlis spoke of her misgivings about the way the UK's public broadcaster interpreted the corporation's ...

How do you keep a solar sail stable?

Solar sailing seems like a simple concept—instead of being pushed along by the wind, as in a typical sailing ship, a spacecraft can use highly reflective said to be pushed along simply by sunlight. But as with almost all ...

Information carrying could be improved through hopfions

The knot theory originates in Lord Kevin's model proposed in 1867 that atoms are made of vortex rings or knots. Although the hypothesis was proved incorrect, the knot theory has since then proliferated in both mathematics ...

Political violence in America isn't going away anytime soon

A warning about the threat of political violence heading into the 2022 midterm elections was issued to state and local law enforcement officials by the U.S. Department of Homeland Security on Oct. 28, 2022.

Why do we learn to reward cooperation?

Researchers at the Max Planck Institute in Plön show that reputation plays a key role in determining which rewarding policies people adopt. Using game theory, they explain why individuals learn to use rewards to specifically ...

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