When Bell Labs engineer Karl Jansky pointed a rotating antenna at the sky in 1932 looking for sources of transatlantic radio static, he kept picking up a faint hiss that peaked every 23 hours and 56 minutes, and he eventually realized he had become the first human to hear the center of the Milky Way.June 5, 2026
When Bell Labs engineer Karl Jansky pointed a rotating antenna at the sky in 1932 looking for sources of transatlantic radio static, he kept picking up a faint hiss that peaked every 23 hours and 56 minutes, and he eventually realized he had become the first human to hear the center of the Milky Way. Saving Tips June 5, 2026 In the summer of 1932, a radio engineer named Karl Jansky was standing in a field in New Jersey, next…
Inside a six-walled wedge-foam chamber on Microsoft’s Redmond campus, the background sound is so far below human hearing that visitors start to perceive the grinding of their own joints, the rush of blood in their ears, and eventually a faint ringing that turns out to be the firing of their own nerves. Saving Tips June 2, 2026 Building 87 on Microsoft’s Redmond campus contains a room that registers a background sound level of negative 20.35 decibels, a…
