Inserting any material into a special maze of mirrors and lenses can make it absorb light perfectly. This approach could be used to detect faint starlight or for charging faraway devices with lasers.

This episode is about how different objects absorb or reflect light, called albedo. We will use dark things and light things to show how it works. It all comes down to this thing called albedo. White ...

Scientists have created the blackest fabric yet – and it could be adorning your evening wear in a few years. Like an eternal black hole, the fabric absorbs 99.87 per cent of light while reflecting the ...