Daniel Fahrenheit is given credit for creating the mercury thermometer and the alcohol thermometer.
Year of invention
1654
Thermometer during the Renaissance
The first thermometer looked a lot like what it looks now. A long thin glass tube would be placed on a piece of metal with labels of numbers.
How the thermometer has changed over time
The new thermometer that most people use is the weather channel, most if not all phones have a built in weather app that works like a thermometer telling people the temperature outside.
