Watch a stick of incense burn up close, see the heat move in real time and the microscopic bubbles that would otherwise be hard to see. The visuals can be stunning when you see them in clear vibrant ...

Incense (a.k.a. that stuff we used too much of in college) looks pretty innocuous at first glance. Really, it’s like a super skinny, aromatic cattail that makes cool smoke trails. But take a closer ...