The Mudcat Café TM
Thread #144681 Message #3348943
Posted By: Joe_F
09-May-12 - 09:31 PM
Thread Name: BS: Obsolete in your lifetime?
Subject: RE: BS: Obsolete in your lifetime?
Vacuum tubes, including even cathode-ray tubes.
Incandescent lamps.
Magnetic core storage.
If we live long enough:
Lead-acid batteries.
Reciprocating engines.