Whether you'd describe yourself as a maximalist or someone who loves a traditional interior, this centuries-old fabric is ...

Researchers have discovered that phasons, low-temperature quasiparticles found in crystal lattices, enable interlayer ...

A moiré pattern appears when you stack and rotate two copies of an image with regularly repeating shapes, turning simple ...

It doesn't matter where you measure it, as long as it is the same point on each wave (look for where the pattern repeats). You should also be able to count the number of waves in a diagram.