15,807 reputation
12149
bio website
location Vancouver, Canada
age 44
visits member for 3 years, 6 months
seen Sep 27 at 14:18

Mostly C++ programmer in Vancouver.
Specialising in image processing, 3d modeling, Lidar - I'm really a physicist


Nov
6
comment What is the maximum efficiency of a trebuchet?
Isn't knocking-down-castle-wall efficency what you are really trying to optomise for?
Nov
2
answered What theories allow for “Tractor Beams”?
Nov
1
comment mirror house gedanken experiment
You can't reach a higher surface brightness than the filament true. But is that the same as any view into the box intercepts the filament?
Nov
1
answered mirror house gedanken experiment
Oct
31
revised The shape of the earth$\ldots$
added 213 characters in body
Oct
31
answered The shape of the earth$\ldots$
Oct
31
answered On the topic of action and reaction
Oct
31
comment Myths in the history of Physics
Galileo's trial was nothing to do with physics or religion - he got caught in a bit of court intrigue and politicing. It's no different from rows about global warming in a US presidential debate
Oct
26
answered Water and superconductors
Oct
25
comment Would a positron energy weapon cause the same effects as Zat Gun from SG-1 from assuming normal Physics?
The Lazy gun (Against a dark background) is the only ultimate weapon with a sense of humour
Oct
22
answered The visibility of air
Oct
22
comment Laser frequency tripling
@Georg - didn't know it was a polarization effect. The doublers are simple enough but never used triplers.
Oct
21
answered Laser frequency tripling
Oct
21
answered Orbital radius of Geo-stationary satellite
Oct
20
comment How can airplanes fly upside down?
@Javier - yes it's not perfectly level upside down. Although some aerobatic planes with almost symetrical wings can get very close.
Oct
20
comment why making a surface “super” smooth increases the coefficient of friction?
@Tom - it's also a problem with high precision optical surfaces before coating.
Oct
20
comment How does a table fan work?
If atoms don't move how does a fan distribute a smell accross the room?
Oct
19
answered How to Make RF Waves Visible
Oct
19
answered How does a table fan work?
Oct
19
answered Can an “absolute” frame of reference be determined by measuring the compression of light?