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Back to Square One
Back to Square One Terry Dashner………………Faith Fellowship Church PO Box 1586 Broken Arrow, OK 74013 We’ve come full circle. We’re back to square one. It has been a long journey filled with theologians, philosophers, scientists, and even atheists....
Nature's Calling
Throughout history mankind's progress has been charted and
referred to by his use of materials. Throughout the stone,
bronze iron and steel ages these materials made a major
contribution to mankind's development. But now in the 21st
century, we...
Secrets of Dream Analysis
Have you ever written yourself a letter in which you unload your concerns, worries, hopes and deep-felt thoughts? Probably not....though the Dr. Phils of our world would probably applaud the practice as deliciously therapeutic in the quest for...
The Occult
"Christianity posits the realization of human freedom not here on earth but only in the Kingdom of Heaven." (1) Fukayama tells us, and it seems to me he is interpreting what the dogma says; even though it fits his own slave and master concept...
The Science Behind Satellites
The Science Behind Satellites By Kate Ivy and Gary Davis Dish-Network-Satellite-TV.ws Webmasters: You may reprint this article in its entirety, providing you leave the Byline and About the Author sections intact, including the...
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A spring called: Drop of water
Do you know what happens when a drop of water hits a non-absorbent surface? Yeah you’re right (if you don’t have the answer, please re-read the title of this column), the drop bounces upwards.
A French scientific team from the Collēge de France have studied the scene carefully with a camera that took 40000 images per second. Here are the results:
At first, when it hits the surface, the drop flattens. Then, it bounces up due to the movement energy it had when falling down. The drop will continue going upwards eventually taking the shape of a needle. Afterwards, the drop falls upon itself, into itself. It thus takes the shape of a pancake (again) but this time, the drop is in midair.
This phenomenon is different to a drop falling on other surfaces as in this case, the drop crashes on the surface leaving only a small quantity of the water to bounce up.
Physicists have also found out that the actual speed of a drop influences its deformation but not the time taken for it to get in contact with the surface. This actually depends upon the mass of the drop.
Anyway why
is all this stuff important anyway? Scientists believe that this find may be of interest to the industry. There’s a small illustration:
Imagine not seeing droplets of rain on your car’s windscreen when it is in fact raining cats and dogs outside. Cool, isn’t it? Well this may well be possible with these new data obtained by the scientists from the Collēge de France. How though? Easy enough! The period of contact of the raindrops with the windscreen is so minimal that the driver does not even see them!
Water drops bounces like springs, would you ever have thought of this? No, I’m not sure you would.
About the Author
K.A.Cassimally is the editor in chief of Astronomy Journal and Astronomy Journal Ezine. He is also the co-founder of the RCPL Astronomy Club. K.A.Cassimally is best known for his article 'Harry Potter and the Moons of Jupiter'.
He is also Senior Columnist at BackWash.com where he writes 'Not Scientific Science'.
Website: http://www.rcplastronomyclub.zik.mu
:http://www.backwash.com/content.php?id=358
Email: kcassimally@rcplastronomyclub.zik.mu
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