Photolithography allows the construction of arrays with extremely high information content. Because the arrays are constructed on a rigid material (glass), they can be inverted and mounted in a ...

Femtosecond laser micromachining was first demonstrated in 1994, when a femtosecond laser was used to ablate micrometre-sized features on silica and silver surfaces 1,2. In less than ten years the ...

Travel back in time with Stacker through some of the most impressive archeological discoveries in the world, according to UNESCO and news outlets.