Visible light can be used to create electrodes from conductive plastics completely without hazardous chemicals. This is shown ...
The knots in your shoelaces are familiar, but can you imagine knots made from light, water, or from the structured fluids ...
A parchment paper lid forms a semipermeable barrier that allows some evaporation and browning, but not too much.
You may not own a single dumbbell, but rest assured you already have everything you need to get stronger — by using your own ...