What effect does shape have on the light guide? While light guides can bend and take on more complex shapes, it is at these bends where much of the light leakage occurs. At a bend, some of the light trapped by TIR can encounter the guide boundary at less than the critical angle and...
How much does a travel camera cost? When planning to buy a travel camera, budget is a big factor. Prices can vary widely, ranging from $800 up to $2000. Is this range out of your budget, and are you looking for the best budget travel camera? Check outInsta360 X3, which starts at ...
Around 30-40% of the non-directional light emitted through a fluorescent bulb is wasted. This much light gets lost to various refractions or diverted to an area where it is not required. MostLED lightingoptions are directional. Thus, you can direct the light in any direction that you need ...
In the shallow cut diamond, much light leaves from the pavilion, it cannot travel down for refraction, making the diamond appear worn out. Heavy or Deep Cut Diamond In deep cut diamond most of the light entering the diamond leaks out through the sides after refraction. This results in po...
the suppliers follow the pmi values of a particular company for the estimation of the amount of future demand for the desired products. the purchasing manager’s index also allows the supplier to know how much inventory its customers have on hand and as a result, it can affect the production...
You go to a discount shop or a flea market and see vendors offering sunglasses that look exactly the same as the high-dollar brand names for a fraction of the cost. Are you really paying that much for a name or are there fundamental differences between the look-alike sunglasses and the ...
You go to a discount shop or a flea market and see vendors offering sunglasses that look exactly the same as the high-dollar brand names for a fraction of the cost. Are you really paying that much for a name or are there fundamental differences between the look-alike sunglasses and the ...
If you can tell a jeweler that you’re looking for “a big, bold engagement band in a gold tone, without stones,” rather than just “a gold engagement ring,” he or she will be able to narrow the field down much more quickly. That’s helpful for both of you! Engagement Ring Style...
"Thank you for putting together such an awesome program! My vision is improving consistently and my eyes just feel much more relaxed now. A must have for anyone with glasses or if you just want to see better." Here's HowYou TooCan Jump Onboard The ...
But wait a minute, I talk regularly with other vessels at much longer distances than 10 NM, how is that? You have to keep in mind whenever you are communicating with another station; you must factor in their antenna height as well and add this to your vhf radio range. You will then ...