Are heated sapphires still valuable? Fine gem-quality, sapphires that have been treated by heat have also increased in value due to demand, but not as significantly. A fine quality sapphire, whether natural or heated is a good purchase. Can you heat treat sapphires at home? If your sapphire has good clarity and a color you […]
Why is de Broglie relationship is only for microscopic objects?
Why is de Broglie relationship is only for microscopic objects? The wave nature of matter, however, has no significance for objects of ordinary size because wavelength of the wave associated with them is too small to be detected. Thus, de-Broglie concept is significant only for sub-microscopic objects in the range of atoms, molecules or smaller […]
Why is south facing garden better than north?
What can be the cause of weakening muscles and kidney function?
What can be the cause of weakening muscles and kidney function? When muscle is damaged, a protein called myoglobin is released into the bloodstream. It is then filtered out of the body by the kidneys. Myoglobin breaks down into substances that can damage kidney cells. Rhabdomyolysis may be caused by injury or any other condition […]
Why do we use copper and not silver or graphite for electrical wiring in our houses give a reason for each?
Why do we use copper and not silver or graphite for electrical wiring in our houses give a reason for each? Unlike silver which in its natural state is a metal like copper, the form of graphite with very low resistivity to compare with copper is graphene. Technically its not a metal which can be […]
What causes trichromatic vision?
What causes trichromatic vision? The normal explanation of trichromacy is that the organism’s retina contains three types of color receptors (called cone cells in vertebrates) with different absorption spectra. In actuality the number of such receptor types may be greater than three, since different types may be active at different light intensities. What causes Tetrachromatic […]
Why is water called a universal solution?
Why is water called a universal solution? Water is capable of dissolving a variety of different substances, which is why it is such a good solvent. And, water is called the “universal solvent” because it dissolves more substances than any other liquid. This allows the water molecule to become attracted to many other different types […]
How can you tell the difference between hypovolemia and dehydration?
How can you tell the difference between hypovolemia and dehydration? HYPOVOLEMIA refers to any condition in which the extracellular fluid volume is reduced, and results in decreased tissue perfusion. It can be produced by either salt and water loss (e.g. with vomiting, diarrhea, diuretics, or 3rd spacing) OR by water loss alone, which is termed […]
Can I use 100x without oil?
Can I use 100x without oil? Never use the 100x objective without using immersion oil. When you have correctly brought your slide into focus up to 40x (step 3), then: a. Turn the nosepiece half-way between the 40x and 100x objectives. Immersion oil should never be put on any other objective than the 100x! What […]
Is Mega 10 6?
Is Mega 10 6? Mega is a unit prefix in metric systems of units denoting a factor of one million (106 or 1000000). It has the unit symbol M. It was confirmed for use in the International System of Units (SI) in 1960. What is this number 1000000000000000000000000? Some Very Big, and Very Small Numbers […]