Engineering

Tattoo technique transfers gold nanopatterns onto live cells

For now, cyborgs exist only in fiction, but the concept is becoming more plausible as science progresses. And now, researchers are reporting in ACS' Nano Letters that they have developed a proof-of-concept technique to "tattoo" ...

Engineering

World's first mass production of metalenses for visible wavelengths

Do you hate the camera bumps on the back of your smartphone? A new optical component called metalens—which was named one of the top 10 future technologies by the World Economic Forum in 2019—may be the answer. Composed ...

Business

Dutch government to restrict sales of processor chip tech

The Dutch government announced Wednesday that it is planning on imposing additional restrictions on the export of machines that make advanced processor chips, joining a U.S. push that aims at limiting China's access to materials ...

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Lithography

Lithography (from Greek λίθος - lithos, 'stone' + γράφειν - graphein, 'to write') is a method for printing using a stone (lithographic limestone) or a metal plate with a completely smooth surface. Invented in 1796 by Bavarian author Alois Senefelder as a cheap method of publishing theatrical works, lithography can be used to print text or artwork onto paper or other suitable material.

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