But layering your light sources is not just the current lighting ... a floor light and a table lamp, paired with your natural light and any ambient fairy lights or candles is a great formula ...

Lots of different sources produce light. Earth's main source of natural light is the Sun. At night, moonlight is created by the moon reflecting the Sun's light. This allows us to see at night ...

The emergence of convenient sources of broadband light spanning the visible and near-infrared is proving increasingly useful for applications involving spectroscopy, imaging and metrology ...