This unburned fuel contains carbon particles, which are expelled as black smoke. Black and blue smoke are more common in diesel engines, and there's a dedicated article explaining why it occurs.

It might seem like a simple question. But the science behind a blue sky isn't that easy. For starters, it involves something ...

The very best air purifiers for smoke are designed to filter out harmful microscopic particles, helping you breathe better.

The brand says that smoke particles are trapped by the HEPA filter ... it’s easy to see why the Blueair Blue Pure 311i Max was selected as Amazon’s choice air purifier. In fact, the site ...

Credit: Nature Communications (2024). DOI: 10.1038/s41467-024-50935-4 The team used extensive particle-based simulations to demonstrate that achiral hard banana-shaped particles, governed solely ...