Daily Blog 02/18/2012

  • Imagine the grief a mother must feel when she is told that her baby has died in childbirth. Then imagine what it must be like to discover, many years later, that the child had not died at all, but was secretly spirited away and given to someone else.

    That is what happened in Spain during the 40-year dictatorship of General Franco. Spanish authorities are now investigating astonishing allegations that for over four decades government officials sanctioned the abduction of thousands of babies.

    tags: spain baby

  • Free fall is any motion of a body where gravity is the only force acting upon it, at least initially. These conditions produce an inertial trajectory so long as gravity remains the only force. Since this definition does not specify velocity, it also applies to objects initially moving upward. Since free fall in the absence of forces other than gravity produces weightlessness or “zero-g,” sometimes any condition of weightlessness due to inertial motion is referred to as free-fall. This may also apply to weightlessness produced because the body is far from a gravitating body.

    tags: gravity freefall research

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