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Why Do Poker Players Wear Sunglasses?
Why do poker players wear sunglasses? That's because they can see through the cards with the sunglasses. If you want to know why the sunglasses can see through the poker cards, you should know about what are invisible ink marked cards at first.
Invisible ink marked cards are originated from the traditional cards markings. It's a process of altering playing cards in a method only apparent to marker or conspirator, such as by bending or adding visible marks to a card. This allows different methods for card sharps to cheat or may be used for magic tricks. But these marks are visible to naked eyes; both your opponent and you can see the cheating marks. Then, people found that the marks made by UV ink will disappear after it gets dried. And eventually, there came the modern invisible ink marked deck.
Why does the UV ink marks disappear?
Scientifically, visible light is the part of the electromagnetic spectrum that the human eye can perceive. The wavelength of electromagnetic waves that the average human eye can perceive is between 400 and 760 nm. Electromagnetic waves with different wavelengths cause different colors in the human eye, such as red, orange, yellow, green, blue, and purple. But the IR light and the UV light, the wavelength they reflect are not in the visible range. So, in fact, the mark of UV light is not disappearing but just the human naked eyes cannot see it. At this condition, we need some tools to help us to see the invisible marks, such marked cards sunglasses.
What kind of tools can help us to read the invisible ink marks?
Take the sunglasses as example. From the outlook, marked cards sunglasses are no difference from the normal sunglasses. The most popular model is the fashionable Aviator style. As for the effect, it is the same with the normal one, but once you see the invisible ink marking poker, you will know how amazing this sunglasses is.
What are the advantages of the luminous sunglasses?
Of course, there is other tool, such as contact lenses to read the invisible ink marks. But compare with it, luminous sunglasses are more easy and convenient to use. For the people who have never use contact lenses before, it's hard and difficult to put them on; feel uncomfortable after wearing them; and even some of people are allergic to contact lenses. But for the sunglasses, there's no limited in wearing time( the contact lenses are require to less than 8 hours a day ); you can take it off as any time you want; you don't need to keep it on the special container; and it is not easier to be damaged.
Frankly speaking, luminous sunglasses not only can help you detect the UV ink marked deck, avoiding being cheated in home game, such as Texas Holdem, Omaha, and blackjack, but also can help you playing magic tricks with your family, enjoying the happy time with them. What is more, marked cards sunglasses are affordable. This is worth a try.