“For a successful technology, reality must take precedence over public relations, for nature cannot be fooled. Upon identifying the reason for the explosion of the space shuttle Challenger and his demonstration using immersion in iced water to show that O-rings grow brittle when cold.”

“For a successful technology, reality must take precedence over public relations, for nature cannot be fooled. Upon identifying the reason for the explosion of the space shuttle Challenger and his demonstration using immersion in iced water to show that O-rings grow brittle when cold.”

— Richard P. Feynman