Of the four fundamental forces known to science in our culture, there are only three that can be manipulated: electromagnetic, strong nuclear, and weak nuclear. Eluding our grasp thus far is the ever-important force of gravity, forcing us to expend large amounts of energy to leave the planet’s surface. However, a revolutionary proposal has been made that may change that situation.
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Black holes are possibly one of the most mysterious and unfathomable entities in the known universe. They are generally considered to be black, dense bodies of matter with a gravitational pull that is so strong that even light itself cannot escape their unrelenting grasp.
But, in the largely uncharted environment of deep space, our hypotheses regarding the nature and composition of its constituents must occasionally be found lacking as new evidence comes to light.
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A recent study could help scientists predict impending floods months before they occur.
The study states that a pair of NASA satellites, known collectively as GRACE, have detected variations in gravitational pull from saturated river basins that appear to be accurate indicators of flooding.
The report, which was published in Nature Geoscience on July 6th, was conducted by hydrologist J.T. Reager and colleagues from the University of California. The team analyzed data which showed that, as river basins absorb water, GRACE recorded a stronger gravitational pull in the region, suggesting that waterlogged ground is more liable to flooding when assaulted by heavy rain or melting ice.
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If the human race remains trapped on Planet Earth, one way or another, we will eventually go extinct. The only way to prevent this is to express ourselves out into the surrounding galaxy and beyond in a significant way. But to do that we must understand and harness the force of gravity, and now a group of scientists have found some new hints that may provide the clues that we need to make some progress in this field, which has been stymied for years.
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