Tools of the Trade Episodes Available now

X-Rays
The oldest surviving X-ray equipment was made in 1896 by Dr John Reynolds

Scales
A tool vital to commerce and science laboratories - balances and scales

The Barometer
An examination of a tool most vital to meteorology - the barometer

The Needle
An instrument designed to help but feared by many

The Thermometer
A tool used by chemists, cooks and doctors - the thermometer

The Fruit Fly
Why was the common fruit fly key to the study of DNA?

The Sextant
A sextant is a measurement tool

Telescope
The first telescope was invented in the Netherlands at the beginning of the 17th Century

Microscope
The history and uses of the modern microscope