the longest experiment in the world

IMAGES

1. Pitch Drop Experiment: The World’s Longest Laboratory Experiment

   

2. Pitch Drop Experiment: The World’s Longest Laboratory Experiment

   

3. The world’s longest laboratory experiment

   

4. World's longest experiment

   

5. World's longest lab experiment still going 85 years later

   

6. Pitch Drop Experiment: The World’s Longest Laboratory Experiment