# A smart window grows a silver shield to keep sunlight's heat out

- Source: Phys.org - latest science and technology news stories
- Published: 2026-11-02T14:00:08+00:00
- Category: Science
- Original: https://phys.org/news/2026-11-smart-window-silver-shield-sunlight.html
- Canonical: https://groundlevelnews.com/story/a-smart-window-grows-a-silver-shield-to-keep-sunlight-s-heat-out-519dad/

A window can admit welcome daylight but also let in unwanted heat, taxing air conditioning systems. Darkening the glass helps control glare, but the absorption of sunlight warms it. An ideal window would block more incoming heat while also letting trapped heat escape.

_Ground Level News shows a short summary only; the full article and all rights belong to Phys.org - latest science and technology news stories._