Have you ever sat on the bottom of a swimming pool and pondered your watery ceiling? Most of the surface is a sheet of light blue, and you can't see through it, even though the water is clear. But ...

After the summer so much of the world has sweltered through this year, better ways to cool buildings are on a lot of people’s minds. Researchers in China have now spruced up the humble window with ...

Window technology has advanced over the last couple of decades and has led to the introduction of several exciting innovations. Modern windows are designed to save energy, reduce sound, or provide an ...