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Articles on Optics

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Green lasers glowing within cells. Matjaž Humar and Seok Hyun Yun

We transformed living cells into tiny lasers

Using fluorescent dye, researchers figured out how to turn cells into lasers – with applications for cell tagging and tracking as well as medical diagnoses and therapies.
As much as we like to think that we vote on substance – not style – studies have shown that physical appearance matters to voters. Carlo Allegri/Reuters

Welcome to Politics4K

While much of the 2014 midterm election analysis centered on the Republican takeover of the Senate, the pundits may have overlooked an important development: the end of a time when politicians looked a…
Now you see him … Eric Tastad/Flickr

Invisibility cloaks closer thanks to ‘digital metamaterials’

The concept of “digital metamaterials” – a simple way of designing metamaterials with bizarre optical properties that could hasten the development of devices such as invisibility cloaks and superlenses…
Using nanotechnology, researchers have developed a technique to increase the data storage capacity of a DVD from a measly 4.7GB to 1,000TB. Nature Communications

More data storage? Here’s how to fit 1,000 terabytes on a DVD

We live in a world where digital information is exploding. Some 90% of the world’s data was generated in the past two years. The obvious question is: how can we store it all? In Nature Communications today…

New uses for carbon nanotubes

University of California, Riverside, scientists have added ionic liquid to single-walled carbon nanotubes and modified the…
The Lytro is ripe for exploitation in ways that have yet to be explored. Thomas Hawk

Focus after the fact: the Lytro light field camera is in Australia

We’ve all been there: the photo that would rock if not for the dodgy focus, highlighting a pot plant instead of your subject’s head. Today, nine-or-so months after its launch in the US, the Lytro camera…

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