The principle is simple; rather than directly measuring the temperature of the flame, use it to heat up something ... a steel ball from a chain into a Bunsen burner flame and dunked it into ...

Flame size and intensity can be adjusted infinitely. The safety Bunsen burner Flame 100 activates immediately with the push of a button. No match or a pilot flame are required. Optionally ...

Here, you could leave the water to evaporate naturally over a week, or use a Bunsen burner in two minutes. Presenter 1: Are the risks the same in these two setups? Presenter 2: No. Risks are ...