Infrared (IR) sunglasses are an emerging form of protective eyewear that protects eyes from the longer infrared wavelengths (IR) emitted by the sun. The long wavelengths of IR are not visible to the human eye, but humans can sense them by feeling heat from them. In addition to blocking ultraviolet rays, infrared lenses also absorb…
Marked cards are one of the oldest tricks in poker and they’ve always been a dangerous threat to casinos. The problem is that card cheaters are constantly developing new ways to fool the system. The most common types of marked playing cards include: Magic or Barcode – These are printed with invisible ink, which can…
Glasses that can read invisible ink are an important tool to help people keep their privacy. This is especially important today because criminals are constantly stealing personal information to gain an advantage over their victims. These glasses can help you hide your private messages, secret notes and other information. They also protect you from strangers…
In the age of information theft, it is more important than ever to protect your privacy. This can be done with a pen that writes in invisible ink and stylish glasses that read your messages out loud. Poker Cheating Perspective Glasses Besides the usual suspects, there are many others who want to know your secrets…
There are two things that you absolutely must keep in mind when shopping for your next pair of sunglasses: UV protection and polarization. Unfortunately, the terms are so often conflated that it’s hard to know whether or not you’re getting the best protection for your eyesight. Do you need UV protection? As a general rule,…
Invisible ink that can be seen with glasses There are some types of invisible ink that can be seen with special contact lenses and glasses. This is a great way to see poker cards markings and also a good way to improve your magic show performance. UV Ink Glasses This type of ink has a…