Big bang birthday: Six mysteries of a cosmic bombshell
In 1964, a pair of engineers at Bell Labs in New Jersey tried to build a better antenna and ended up uncovering the origins of the universe. After ruling out city noise, nuclear bombs and pigeon poop, Arno Penzias and Robert Wilson argued that a strange radio hiss in their readings was the first confirmed signal of the cosmic microwave background. This relic glow emerged as a result of the big bang and now permeates the universe.
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