cURL error 60: SSL certificate problem: certificate has expiredcURL error 60: SSL certificate problem: certificate has expiredcURL error 60: SSL certificate problem: certificate has expiredcURL error 60: SSL certificate problem: certificate has expiredcURL error 60: SSL certificate problem: certificate has expiredcURL error 60: SSL certificate problem: certificate has expiredcURL error 60: SSL certificate problem: certificate has expiredcURL error 60: SSL certificate problem: certificate has expiredcURL error 60: SSL certificate problem: certificate has expiredcURL error 60: SSL certificate problem: certificate has expired Weekly Mind Bender - SOLUTIONS FOR LIVING
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Weekly Mind Bender

When I look up, you see it all.  But when I tilt my head darkness falls.  What am I?

 

Answer

A light switch.

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