Post

Automobile crash safety. incandescent -> LED cassette tapes (okay, step down from vinyl) to CDs to lossless streaming audio women in academia especially in STEM fields (not perfect! but better in my lifetime)

3 reposts142 likes

Keeping lights you're not actively using turned off is almost more of a symbolic gesture than a practical habit now. The actual savings is trivial, but I want people to see me as the sort of person who is careful to turn out the lights.

It's still good for the environment for a different reason, to reduce light pollution! Especially outside or at the outskirts of a city