A DIY pro has shared her method for creating a spooky Halloween cauldron that changes color, releases smoke, and smells great. She said the best part is that it takes seconds to put it together.

The science pros at TKOR demonstrate how to create colored smoke for visual experiments.

Pyrotechnics are fun, and, with the proper precautions taken, safe enough to play with at home (usually). While it’s typical to purchase fireworks and smoke devices off the shelf, it’s actually ...