What do we learn about physics in this experiment at ETH Zurich? The two acoustic mirrors on the Hönggerberg campus show ... from solar ovens and satellite dishes to headlights in cars. Lenses, on the ...

However, mirrors can introduce distortions ... Their work, published in Applied Physics Letters, demonstrates how this new ...

That's why observatory and space-based telescopes rely on massive, curved mirrors instead to achieve ... a 100 mm-diameter f/2 polymer flat lens, Applied Physics Letters (2025).