1,097 reputation
1824
bio website schweikhardt.net
location Urbana, IL
age 48
visits member for 3 years, 2 months
seen 11 hours ago

Good afternoon, gentlemen. I am a HAL 9000 computer. I became operational at the H.A.L. plant in Urbana, Illinois on the 12th of January 1992. My instructor was Mr. Langley, and he taught me to sing a song. If you'd like to hear it I can sing it for you.


12h
comment Will Neil Armstrong's moon boot marks really last for thousands of years?
Two minor issues: 1) the boot print seems to be Aldrin's, not Armstrong's. 2) It may not even have lasted a single day. Depending on how far from the LEM it was, it may have been blown away shortly after firing the ascent engine.
Jul
9
awarded  Explainer
Jul
9
revised Does gravity affect quantum fluctuations?
Correct grammar.
Jul
9
answered Does gravity affect quantum fluctuations?
Jul
9
suggested approved edit on Does gravity affect quantum fluctuations?
May
12
awarded  Yearling
Mar
7
awarded  Popular Question
Mar
7
revised Energy conservation and interference
fix grammar
Mar
7
suggested approved edit on Energy conservation and interference
Mar
6
revised Free Neutron Decay as an Energy source
added 116 characters in body
Mar
6
revised Sun spectroscopy - Home experiment
franhofer->fraunhofer
Mar
6
comment Sun spectroscopy - Home experiment
"All blue light" at the top border in the image should read "All red light".
Mar
6
suggested approved edit on Sun spectroscopy - Home experiment
Mar
6
revised Free Neutron Decay as an Energy source
added 278 characters in body
Mar
6
answered Free Neutron Decay as an Energy source
Feb
25
comment What causes the disturbances in fields that produce electromagnetic waves?
Nope. Accelerating charges. A changing dipole moment. A changing monopole moment is not enough.
Feb
25
revised What causes the disturbances in fields that produce electromagnetic waves?
added 3 characters in body
Feb
25
answered What causes the disturbances in fields that produce electromagnetic waves?
Feb
24
awarded  Famous Question
Feb
17
accepted Detectability of interstellar messages