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

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. This story matters for Science & Discovery readers tracking science. Reported by phys.org. Read the full original at the source link below.