Where can I view a 1000FPS display? - Sciforums
2011年10月16日 · The diminishing curve of returns is very strong but the weak links are getting to be much more well understood by researchers -- Consider 60Hz->120Hz is an 8.3ms blur improvement (the math difference of 1/60 vs 1/120), while 120Hz->960Hz is a 7.3ms blur improvement (the math difference of 1/120 vs 1/1000) -- one has to go very steeply up the ...
Maximum speed of falling objects? - Sciforums
2004年3月30日 · A recent TV program claimed that the maximum speed of a penny is between 35 and 65 miles per hour (56 to 104 km per hr). I guess that a penny does not fall edge first, or it would reach a higher speed. I think that a falling human body reaches a maximum speed of about 125 MPH (200 km per...
Why people on different continents look similar
2006年2月18日 · You know the theories about the origin of man on different continents? Why the people look the same on various continents 1000's of miles apart? And the "scientists" say the people look the same because they traveled from one spot to all the other spots. They all look the same cause they are all the same people? That is ignorance.
Physics Problem - Hydroelectric | Sciforums - world events, science ...
2014年10月24日 · Gday, just been trying to work out this problem. Have an idea of what it is all about, but I can never work out the correct answer. --- A person with a remote mountain cabin plans to install her own hydroelectric plant. A nearby stream is 3.00m wide and 0.500m deep. Water flows at 1.20m/s...
Why is a circle measured in 360 degrees instead of 1000
2004年10月19日 · How did 360 come into picture ? what is the basis of 360 ? Will it be more of advantage if circles were made of 1000 or 100 degrees ?
Usa compared to amsterdam crime rates | Sciforums - world …
2012年4月12日 · Don't be absurd; their total crime rate is highly competitive (79.5779 per 1,000 people to 80.0645 per 1,000 people). So what they've done is achieve a diversity of criminal services, rather than restricting themselves to some narrow-minded interpretation of …
international ISP throttling & disconnections massive buffer bloats ...
2020年1月18日 · whats up with the usa cutting international isp connections every minute ? my isp appears to be throttling streaming to a maximum of 2mbps but when i run speed tests they come back at 10 or 12mbps when i run games which use very little they keep stopping the game stream to a global number 1 game...
Movie D.O.A "luminous toxin" - Sciforums
2006年5月5日 · The sievert and gray are similar, except the sievert takes into account the biologic effects of different types of radiation....The average person receives a total of about 3 to 4 mSv (1 mSv = 1/1000 Sv) per year from natural radiation and man-made sources....Three Mile Island and the Chernobyl...received only about 0.08 mSv additional radiation.
smaller than subatomic particles | Sciforums - world events, …
2010年1月30日 · The charm quark is about 1000 MeV, and the bottom quark is about 100 MeV. The top quark is around 175 GeV and the bottom quark is around 5 GeV. (1 MeV is like 10^{-33} grams, and 1 GeV is 1000 MeV, for comparison). The electron is about 1/2 MeV, the muon is about 100 MeV, and the tau lepton is about 2 GeV. The neutrinos are all essentially ...
Whites killed by Indians | Sciforums - world events, science, …
2013年1月9日 · Decades ago, somebody told me that less than 1000 whites were killed by Indians in the 19th century & then changed the subject. It was a person whose credibility on such an issue was unknown to me. He was my boss in a computer company. In thinking about his claim, it seemed likely be be valid.