Introducing the RH-150AUTO
H-150AUTO Portable Hardness Tester
The RH-150AUTO is a
modular, portable hardness
tester (Rockwell). It performs
true Rockwell tests, all in
a portable package!
G&R Technology Inc. - page 2

Kyanite

Kyanite can be recognized by its beautiful bluish greenish coloring.  It is found most frequently in metamorphic rocks.  What is interesting about kyanite is that is has a variable hardness.  Kyanite’s crystals have a hardness of between 4.5 to 5 on Mohs hardnss scale when…

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SpaceX’s Reuseable Rocket

On January 10, 2015 SpaceX made an attempt to land a Falcon 9 rocket on a floating platform 200 miles from Jacksonville, Florida. The company knew going into it that the odds of success were 50% or less. Unfortunately, the mission failed. Elon Musk, CEO…

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Beagle 2 Possibly Found After 11 Years

Beagle 2 is a probe that was scheduled to land on Mars on Dec 25 2003.  It was ejected from the Mars Express orbiter on Dec 19 but never seen after that.  The UK Space Agency suggested that the landing could have been affected by…

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The Synthesis of Rare Metals in Nuclear Reactions

Centuries ago, alchemists sought a magical or scientific formula to create new metals out of existing elements. While they never achieved this goal, modern scientists with access to particle accelerators and nuclear reactors have been able to synthesize several new metals under laboratory conditions. Some…

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Common Metallic Materials

About two thirds of all elements on Earth are metals. Useful Properties of Metals ductility thermal and electrical conductivity strength toughness high melting points Common Metallic Materials Iron/Steel Copper Titanium Aluminum Nickel

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How to Read a Rockwell Hardness Tester

When using a Rockwell Hardness tester, the hardness value can be read directly from the scale. The Rockwell value will show up as a number, followed by “HR”, and then a letter. We will use 50 HRB as our example. The number that appears is…

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Wind Tress Coming to Paris

By March of 2015, the streets of Paris will have a new addition: Wind Trees.  Designed by French company New Wind, the Wind Tree is a turbine that is designed to look like a tree so that it is both a power source and visually…

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Testing for Hardness

The hardness of a substance is generally measured using one of two scales that determine how easy it is to scratch or dent. The earliest scale for measuring hardness was developed in the early 1800s and required the use of common tools like copper pennies,…

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New Hoverbike From Aerofex

Aerofex, a firm in California, has created a hoverbike that they call “Aero-X”.  Lucky for Star Wars fans, this hovercraft resembles the one from the movie ‘Star Wars Episode VI: Return of the Jedi’.  The Aero-X is about 15 feet long and 7 feet wide….

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Galena

Galena is easily recognizable by its silver and metallic look.  A person can also notice galena by its square shape because of its perfect cleavage which allows it to break apart into cubes.  Galena (PbS) is a lead sulfide mineral that is found in many…

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