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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 ...

In Hinduism we often hear about Brahma the creator, Vishnu the protector and shiva the transformer. Temples of shiva and vishnu you can find it anywhere in India but when it comes about Brahma you ...

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

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 ...

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 ...

LED light wands, or light sticks, provide an effective (and relatively affordable) alternative to a photographer’s flashgun or a videomaker’s stand-mounted lamp. You don’t need to sync a light wand ...