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considering that ancient times, humans have experimented with light, cherishing brilliant metals like gold and slicing gem stones to decorate their glints. nowadays we're a long way more advanced in how we paintings with this ubiquitous strength.
starting with 19th-century experimentation, we commenced to explore controlling how light interacts with matter.
Combining a couple of substances in complex structures let us use mild in new approaches. We crafted lenses and mirrors to make telescopes to peer out into the universe, and microscopes to discover the sector of the small.
today this work keeps, on a much more specific degree. My own studies into what are called “metamaterials” explores how we will construct substances in approaches that do brilliant – and previously impossible – matters.
we can construct metamaterials to reply mainly ways to certain frequencies of mild. as an instance, we will create a smart filter out for infrared cameras that lets in the user to without difficulty decide if the white powder in an envelope is baking soda or anthrax, decide if a pores and skin cancer is benign or malignant and discover the sewer pipe on your basement without breaking via the concrete. these are only some programs for one tool; metamaterials in preferred are far extra effective.