![Paul Halpern on Twitter: "Physicist Richard Feynman testifying during the public hearing for the 1986 Challenger shuttle disaster investigation. He famously dipped an O-ring into a glass of ice water to demonstrate Paul Halpern on Twitter: "Physicist Richard Feynman testifying during the public hearing for the 1986 Challenger shuttle disaster investigation. He famously dipped an O-ring into a glass of ice water to demonstrate](https://pbs.twimg.com/media/EZD24WuWoAARXke.jpg)
Paul Halpern on Twitter: "Physicist Richard Feynman testifying during the public hearing for the 1986 Challenger shuttle disaster investigation. He famously dipped an O-ring into a glass of ice water to demonstrate
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Richard Feynman Richard Feynman Nobel physicist member Editorial Stock Photo - Stock Image | Shutterstock
![Paul Halpern on Twitter: "Physicist Richard Feynman testifying during the public hearing for the 1986 Challenger shuttle disaster investigation. He famously dipped an O-ring into a glass of ice water to demonstrate Paul Halpern on Twitter: "Physicist Richard Feynman testifying during the public hearing for the 1986 Challenger shuttle disaster investigation. He famously dipped an O-ring into a glass of ice water to demonstrate](https://pbs.twimg.com/media/EZD23X4WAAIAWwO.jpg)
Paul Halpern on Twitter: "Physicist Richard Feynman testifying during the public hearing for the 1986 Challenger shuttle disaster investigation. He famously dipped an O-ring into a glass of ice water to demonstrate
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