5 of the Longest Running Experiments in History

Because science and history together are awesome

Image of Old Clock/Monoar Rahman Rony/Pixabay

At the University of Oxford, a bell has been ringing since 1840. Known as the Oxford Electric Bell, researchers finally muted it by placing the bell underneath soundproof glass. It simply will not stop.

We often think of experiments in terms of high school chemistry labs. Hold a sample of an unknown element…