What is the definition of Inexpensive Light Particles?

"Inexpensive light particles" - think of these as the cosmic unicorns of the particle world, flitting around like they're trying to convince you to take a free Wi-Fi hotspot on a space mission. They're like the affordable Elixir of Life, but instead of healing your back pain, they just make you wonder if aliens are stealing your space snacks.

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Now, here's a sentence that might just send shivers down your spine: "The inexpensive light particles convinced me to invest in a quantum leap into intergalactic pizza delivery, claiming they'd be made from stardust and free."