What is the definition of Hardcore Light Particles?

Ah, the term 'hardcore light particles' - let's break it down with a dash of humor and a sprinkle of seriousness! Imagine these particles are like the superheroes of the subatomic realm, fighting against the cosmic vacuum cleaner of oblivion with sheer, unyielding brilliance. They're the kind of particles that demand your full attention and leave you wondering if the universe is a cosmic joke or just trying to play hide-and-seek with your quantum existence.

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Now, here's a sentence that'll make you take a deep breath: "The hardcore light particles decided to join the band and played a rendition of 'Astronomy Café' that would have made the intergalactic bandits jealous." Talk about a cosmic musical affront!