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International Day of Light is celebrated on 16 May each year, on the anniversary of the first successful laser operation in 1960 by physicist and engineer, Theodore Maiman. The study of light has led ...

Slow light is an electromagnetic wave with a group velocity reduced by optical resonances in the medium through which it is travelling. These resonances can occur in atomic vapours, in photonic ...

If a sunny day or the lights in your office building give you eye pain and a throbbing headache that sends you searching for the nearest dark room, you may have migraine. “It’s extremely common for ...

Light travels in straight lines and will keep going until it is blocked by an opaque object We are surrounded by sources of light. The Sun is our main source of natural light but we also get light ...

Quantum dot (QD) lasers enable intrinsically feedback-tolerant, isolator-free silicon photonic integrated circuits (PICs), eliminating the bulky optical isolators traditionally required to suppress ...

The Benicci Blue Light Glasses impressed us with their lightweight design and wearability. Our editor, who never wears glasses, said she barely noticed these glasses on her face because they were so ...

Lasers are devices that concentrate beams of light by forcing their waveforms and frequencies to align. First developed in the 1960s to amplify microwaves, modern lasers technology can ramp up light ...

Handheld light meters used to be a photography staple, but as cameras with built-in light meters became both more prevalent and reliable, these devices became increasingly obsolete for everyday use.