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About pikpobedy

Basic Information

About pikpobedy
Biography:
It all started in 1954
Location:
out there
Interests:
science, fishing, travel, diving
Occupation:
Engineering management

Statistics


Total Posts
Total Posts
306
Posts Per Day
0.09
General Information
Last Activity
10-11-2014 03:49 AM
Join Date
01-07-2014
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0

26 Likes

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  1. mayflow
    mayflow liked post by pikpobedy On thread : I need your help:
    The rifle barrel is grooved. The bullet (projectile) is deformed from a circular cross section into one that is the "mate" of the grooved interior of the barrel. Thus a bit of squeezing and plastic...
    Liked On: 10-10-2014, 12:44 AM
  2. Scheuerf
    Scheuerf liked post by pikpobedy On thread : Walter Lewin at his best
    Chuckle chuckle. This is funny on so many levels. The last minutes are hilarious. He has some Einstein in him. Air Pressure Can Crush with Walter Lewin...
    Liked On: 10-09-2014, 10:41 PM
  3. mayflow
    mayflow liked post by pikpobedy On thread : Under my arm (subtitle = the human antenna)
    A well known phenomenom: Hold a remote control transmitter (garage door opener, car door opener, etc) against your head, it will lengthen the range noticeably. This is not a youtube hoax. The water...
    Liked On: 10-05-2014, 11:45 PM
  4. tk421
    tk421 liked post by pikpobedy On thread : Walter Lewin Kirchhoff's rule is for the birds
    tk421 I corrected myself viz the spelling issues. As for the "over education" falderal. There are categories of posters who name drop and concept drop some with intimate understanding of and...
    Liked On: 10-05-2014, 11:43 PM
  5. Boing3000
    Boing3000 liked post by pikpobedy On thread : Quantum Physics, Depth Psychology, and Beyond
    I am not into mystical or psychological interpretations of physics, maths, chemistry, biology, electricity, magnetism, energy etc etc etc.... you get the picture. But I can quote HL Mencken. ...
    Liked On: 09-30-2014, 06:20 PM
  6. Boing3000
    Boing3000 liked post by pikpobedy On thread : Finger Over Straw Trick
    Interestingly in a mercury barometer, the partial vacuum created in the head space is refered to as torricelli's vacuum. And of course the bottom of the tube is immeresed in mercury otherwise the...
    Liked On: 09-30-2014, 06:00 PM
  7. anks00
    anks00 liked post by pikpobedy On thread : want to study Astrophysics but have a different background
    Brian May the famous musician, composer, giutarist finished his doctoral thesis in astrophysics in 2007 at the age of 60. He was chancellor of Liverpool John Moores University for five years until...
    Liked On: 09-29-2014, 12:35 PM
  8. Scheuerf
    Scheuerf liked post by pikpobedy On thread : Finger Over Straw Trick
    These children's games questions of which "the straw" is but one of many are often inaccurately explained. The upside down glass is another one. "What happens when we burn a candle in an upside...
    Liked On: 09-27-2014, 11:56 PM
  9. Jilan
    Jilan liked post by pikpobedy On thread : Are these statements correct?
    solids atoms are in a fixed lattice, their vibration (kinetic energy) increases with temperature. An atom in a solid at room temperature is pretty fixed in its location... however solid state...
    Liked On: 09-27-2014, 08:56 PM
  10. Physicist
    Physicist liked post by pikpobedy On thread : Finger Over Straw Trick
    Capillary action (http://en.wikipedia.org/wiki/Capillary_action) torricellian vacuum and barometer (http://www.eoht.info/page/Torricellian+vacuum) siphon in a vacuum...
    Liked On: 09-27-2014, 03:15 PM
  11. Jilan
    Jilan liked post by pikpobedy On thread : How long will 1m of space be next year?
    Continuous Compound Interest Formula (http://cs.selu.edu/~rbyrd/math/continuous/) The limit of the interval goes to zero. But you know that. snort.
    Liked On: 09-25-2014, 06:56 AM
  12. Jilan
    Jilan liked post by pikpobedy On thread : want to study Astrophysics but have a different background
    Brian May the famous musician, composer, giutarist finished his doctoral thesis in astrophysics in 2007 at the age of 60. He was chancellor of Liverpool John Moores University for five years until...
    Liked On: 09-15-2014, 05:37 PM
  13. Boing3000
    Boing3000 liked post by pikpobedy On thread : New Moderator : Ophiolite
    Hmmmm. If this was in another forum I'd chuckle. No one reads interminable rationalizations any more than one listens to long winded monologues. The best moderation is none. Second is as little as...
    Liked On: 09-12-2014, 08:34 AM
  14. GerryB
    GerryB liked post by pikpobedy On thread : The speed of sound in an enclosed compartment.
    In the closed compartment the motion of the traiin, automobile, aircraft, ship or space craft is irrelevant to what happens inside. Outside the relative air movement can prevent you from hearing...
    Liked On: 07-13-2014, 04:32 PM
  15. Robittybob1
    Robittybob1 liked post by pikpobedy On thread : Liquids problem.
    Once you asked the question "maximum hight" of the water you have to assume zero velocity. The water pressure becomes 100% hydrostatic head, there is no pressure loss due to pressure drops caused by...
    Liked On: 05-14-2014, 06:39 AM
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