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 ...
Historically, turning invisible was considered the stuff of wizardry and spells. More recently, physicists have also looked at invisibility, devising invisibility cloaks with some remarkable science.
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Institute of Physics, Johannes Gutenberg University Mainz, Staudingerweg 7, 55128 Mainz, Germany ...