Up Next
Back to Show
Reactions
How Do We Tell Temperature?
Season 4
Episode 8
There's a lot of chemistry that goes into thermometers. But how do thermometers in the kitchen or doctor’s office work? Thanks to the laws of thermodynamics, thermometers respond to heat moving from hot to cold as a means of measuring temperature. Clever physical chemists and engineers have taken temperature tools from the simple, but still useful, lined glass thermometers to digital readouts.
Sign up now for inspiring and thought-provoking media delivered straight to your inbox.
Support Provided By
20:29
Rubbing two balloons together leads George to a shocking discovery.
11:25
Is baking soda a legal, performance enhancing drug?
8:10
George tries to make electricity using dialysis tubing, toilet parts, and a baby turbine.
13:59
Alex wonders what happens when hot water freezes quicker than room temperature water?
9:56
Could a seemingly magical 300-year-old technology save us from climate change?
14:50
Fluoride is everywhere in the discourse but here’s what the research actually says.
9:47
How does a lifesaving drug vanish into thin air?
9:36
is there really a difference in the Coca-Cola from Mexico?
11:57
Alex made some kidney stones at home and tested prevention methods to keep them at bay.
10:38
An email from a subscriber made us question everything we thought we knew about trees.
21:33
The 15 ways that color happens. It's all about the electrons. Well, almost.
12:07
This element powers glow in the dark exit signs, keychains, and costs $30,000 per gram.