TED Talksのインスタグラム(ted) - 11月9日 07時03分

You’re looking at a demo of an accidental discovery…. a discovery that eventually led to the invention of the X-ray. Let’s back up: in the 19th century, a physicist named J. J. Thompson conducted an experiment using magnets and electricity like the one shown here. In the process, he discovered the first subatomic particle, which we now call electrons. At the time, Thompson thought it was a useless discovery. Little did he know that it would revolutionize technology. Thanks to his curiosity, it was soon discovered that these electrons can create high-energy light, and thus the X-ray was born. “We need to invest in curiosity-driven research,” says physicist Suzie Sheehy. “History tells us that if we can remain curious and open-minded about the outcomes of research, the more world-changing our discoveries will be.” To watch her #TEDTalk, visit go.ted.com/curiousscience

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