Recent content by msrlasky

http://phys.org/news/2012-05-eyeglasses-adjust-prescription.html http://singularityhub.com/2011/01/09/electronic-glasses-let-you-change-focus-in-a-split-second-goodbye-bifocals-video/ superfocus.com Perhaps one of these will help. Mike

I interpret "natural disasters" as including the propensity of human civilizations, nations, cultures to implode (see the historical record) - so a location that is sparsely inhabited, sufficiently above sea level to avoid tsunamis, far away from active volcanos, and likely to have decent...

The odds of being hit by lightening, (from Aaron's comment ~1 in 10 million) when a large fraction of the population is indoors when it's raining, is too simplistic for me. The odds of being hit by lightening, when lightning is present, and you are outdoors, is a more useful statistic, and...

A one way valve to remove CO2 in the mask would be continuously open, due to the pressure differential, thus it would not be possible to maintain the oxygen pressure (or any pressure) in your mask, under such conditions. Therefore, anyone would die due to lack of oxygen, in such a case, since...

The weight exerted on the base of the tank, is due to the volume of water, & it's density (sea or fresh). I assume fresh water. The height of the tank, to exert 1 atmosphere of pressure, would be ~ 10 meters. So, 1,000 cm ht. x 200 cm2 base = 200 liters tank volume. At 1 kg per liter, the...