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Why do blue LED's and blue lighting make my eyes go funny? (Particularly those outdoor Christmas lights, and the shade of blue used in stage lighting.) It's almost like I can't focus on the light and...
FreeCell has 1,000,000 games. There are 52 cards laid out as 4 columns of 7 and 4 columns of 6 cards. How many different combinations of this are there?
I have forgotten something and it is really bugging me. Can anyone tell me what this force is I can describe it. If you put water in a bucket or bottle or something simalar, then spin the bucket...
Hospitals these days dont use plaster casts to set broken joints. They use a type of bandage that is wet when applied and as it dries out it sets hard like fibre glass. I think it is called BAYCAST...
i was testing a food sample for the presence of the food poisoning bacteria listeria and salmonella. however i was only going to incubate the samples for 48hours but the samples were left in for...
"Space is what stops everything from being in the same place" "Time is what stops everything from happening at once" "Space cannot be infinite - if it was, there would not be any matter in it" Anybody...
It set me wondering when that female astronaut lost her tool box while making repairs to the outside of the ISS. I notice now that when doing a spacewalk they attach themselves with a restraining...
Sulphur dioxide is used in many items of processed food, particularly in drying apricots. I know that some people have a problem with this. What is the most likely adverse reaction to the substance...