When you flip the switch, there seems to be a wait before the bulb glows brightly.
The New York Times
By C. CLAIBORNE RAY from NYT Science https://ift.tt/2D5A4Qo
September 16, 2018 at 02:00PM
When you flip the switch, there seems to be a wait before the bulb glows brightly.
The New York Times
By C. CLAIBORNE RAY from NYT Science https://ift.tt/2D5A4Qo
September 16, 2018 at 02:00PM
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