Over the last three years, there have been some major and exciting changes for the TV consumers. The most interesting of these changes is the introduction of internet TV. With so many features like YouTube, Facebook, 3-screens and widgets and the migration of so much content on the internet, it is becoming a norm now to have personal video choices. This change is therefore attraction of all involved including the end users, content providers, operators and even the advertisers.
If history is the result of one person being in the right place at the right time, then we can say that the history of infrared technology belongs to Sir William Herschel (1738-1822). Herschel, who was a German-born British astronomer, immigrated to England at the age of nineteen. In England, he made numerous discoveries, including one that saw light where others had simply seen darkness.
One way to look at the history of cameras is to consider the types of photographs that have been taken over the years. Although we now take photography for granted, in the mid-19th through to the mid-20th centuries having a photo taken was often reserved for special occasions.
You know a product is popular when its name becomes a verb. As in, “I’ll just photoshop it.” If course that means that the person is going to use the graphics program Photoshop to in some way make changes in an image.
When you consider the history of cameras you can envision it in various ways. One way is to think about the different forms of technology that cameras utilize. Camera history can be divided into film and digital formats and visual light and infrared light cameras.
The history of digital photography starts with the invention of video tape and then takes a path that includes outer space and the attempt to create a different type of semiconductor related to computer memory. Like many other aspects of history the development of digital photography was often not directly related to photography or it was inspired by the need to find a solution to a new challenge.
Infrared photography is about 100 years old. Infrared cameras utilize light that is invisible to the human eye. In doing so, they are able to capture images that other cameras cannot. Infrared light bands are between 700 and 1,400 nanometers, making them 1000 times wider than visible light.
Since the primary source of infrared radiation is emitted through heat and thermal radiation, any and all objects that have temperature, have a certain temperature-emitting rate that can be picked up by infrared wavelength-sensing technology. Even super-cold temperatures, like dry ice, radiates in infrared.
The History of Computers coming soon.