Peter Wothers of the Royal Institution recreated Humphry Davy's historic potassium volcano chemistry demonstration in a recent video [1].
The recreation highlights the extreme reactivity of alkali metals and preserves the educational legacy of 19th-century science. By bringing these historic experiments into a modern digital format, the institution demonstrates how early chemical discoveries continue to engage students and the public.
The demonstration took place at the Royal Institution in London, United Kingdom [1]. Wothers followed the methods established in the 1800s to produce the dramatic effect associated with the original experiment. The process showcases the volatile nature of potassium, which reacts violently when combined with specific elements to create a visual eruption.
This specific experiment was originally developed by Humphry Davy, a pioneer of electrochemistry. The Royal Institution used the recreation to illustrate the fundamental principles of chemistry through a high-impact visual medium.
"This demo from the 1800s still blows our minds today," the Royal Institution said in the video description [1].
The presentation serves as a bridge between the early days of systematic chemistry and contemporary science communication. By utilizing the same environment where Davy once worked, Wothers provides a direct link to the era of discovery that defined the modern understanding of elements.
“This demo from the 1800s still blows our minds today”
The recreation of the potassium volcano underscores the enduring value of 'demonstration science' in public education. By revisiting the work of Humphry Davy, the Royal Institution emphasizes that while theoretical chemistry has advanced, the visceral, physical reactions of elements remain a powerful tool for capturing interest in STEM fields.


