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88What is momentum? An intuitive understanding.
Something like "force" is intuitive because we equate force with pain. Getting punched at school (as most geeks learn) hurts, and the more of this 'force' that the bully uses, the more it hurts. Similarly, energy has an intuitive experience. The parodied geek character will tell you all about that 200m into the school cross country run. But what is momentum?
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75Ipad or Android Tablet: Best Option for Kids...
This year, my two daughters sat down to write their Christmas lists. After much concentration and excitement, they emerged with their prize lists in hand and smiles on their faces. At ages 11 and 7, you can imagine they are very taken with all the...
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77Why Strasburg's Shoulder Aches and Others are Losing Velocity
Nolan Ryan Pitched 27 Years in MLB as a Power Pitcher and NEVER dropped his arm like Strasburg Pitchers will experience shoulder injuries and loss of velocity by dropping their arms and then violently whipping...
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84Swimming Pool Circulation - Physics
In the pool business there are many reasons why pool builders should have paid attention in high school. Alas, many did not so doing this sort of math can hurt their brains. Trust me, this water stuff can be...
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79A Primer on Modern Personal Firearms: from Shotgun to Sub-Machine Gun, and more from WW1 to Modern Times
You may have heard of various guns and rifles, and "used" them in various games, but do you know what are the REAL differences between them, and how each is developed? Learn about practical history of modern firearms, from pistols to assault rifles here.
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77Some Details on Rockets and Thrust.
In a previous Hub we reviewed in some detail the conservation of momentum. In that hub we outlined the fact that the sum of the mass and velocity is the momentum, and the momentum of two objects must be conserved. So when two objects are...
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73How to Keep Your Airbrush Working
If you don’t know how an airbrush works, it will always be a magical tool that works wonderfully when it wants to and stops any time it feels like it. Well it’s not magic, it's science, and if you take the time to learn the scientific basis, you will always be able to keep your airbrush in operating condition.
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77Aquabot Pool Rover Review
The Aquabot Pool Rover might be the answer to your pool cleaning questions! Find out whether it's the right one for you in our review.
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77Binding Energy: Mass Defect, Binding Energy per Nucleon and Mass Discrepancy in Helium Atom
Binding energy and mass defect. Mass discrepancy in Helium atom as an example of Binding energy. Binding energy per nucleon and its application to nuclear stability in nuclear fission and nuclear fusion.
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86Types Of Erosion
Erosion is a natural geological process in which the breakdown of rocks under sea and on land occurs due to natural forces. Erosion is a complex and a highly important natural phenomenon. It is due to erosion that the earth has shaped it self over...
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