Astrophysics in Context
![](https://frank-rieger.com/wp-content/uploads/2021/06/Quanta-1024x690.png)
I have been interviewed for the April 2021 QuantaMagazine Article on progress in ultra-high energy cosmic-ray physics. You can read my comments at https://www.quantamagazine.org/cosmic-map-of-ultrahigh-energy-particles-points-to-long-hidden-treasures-20210427/