The 5% cut-off probability of skull fracture in children 3–12 years old is reached at a relative speed of 1.41 m/s (5.0 km/h/3.1 mph), e.g., when a walking child would hit a robot moving at a low speed of 1m/s.
As with the Great Pyramids or Stonehenge we’ll never know for sure, but what we do know is that 250 of the ahu platforms were constructed – you can see their ruins up and down the coast – and that 400 Moai eventually reached their positions on the ahu. By 1600 the population of E...
which is the site of a massive storm on the planet’s surface. This view was created by citizen scientist Kevin M. Gill by compiling multiple images and data from the JunoCam. Juno was launched in 2011 and reached Jupiter in 2016. Its sole mission...
I don’t know precisely what is next, but it seems quite possible that there is a longer-term plan for humans that we are not aware of. Some of the religions of the world may have insights on what this plan might be. It is even possible that there may be divine intervention of some...
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The same will be true in Iraq and Syria and much of the rest of the Middle East; some of the most densely populated parts of Australia, Africa, and South America; and the breadbasket regions of China. None of these places, which today supply much of the world’s food, will be ...