With simple steps and simple tools you can do it yourself. Can be replaced with silver wire or gold wire and gemstones for jewelry more valuable. Or simply use cheap material like copper wire to make ...

Residents of modern megacities are accustomed to the uninterrupted water supply to their apartments. In such comfortable conditions, sometimes a false feeling is created that this important source of ...

Engineers are turning to animal origami, from insects that tuck away wings to a protist with an accordion-like neck, for design help ...