But another aspect of the gas stove's flame can tell us even more information: Its color. Ideally ... It takes a gas stove seconds to heat up compared to their electricity-dependent counterparts.

Flame retardants like ones used in wildfires are also used in cladding and electrical appliances. Some are toxic for humans and the environment.

Flame Sterilization products use a burner flame and establish direct contact for heating the cans ... adequately while retaining the original color, texture, flavor, and vitamins of the food.

A copper penny appears to turn to silver after heating in an evaporating dish with a mixture. The penny then appears to turn to gold when heated in a flame. Heat causes a fusion of zinc and copper to ...