Cellphones are a kind of radio, but a very sophisticated one. The telephone was invented by Alexander Graham Bell in 1876, and wireless communication can be traced back to Nikolai Tesla’s work in the 1880s. Marconi, a renowned Italian telecommunications…
We’ve all heard that the mobile phone has improved communication and reduced distances between people. But has the mobile phone improved human life? The answer depends on the person. Those who spend too much time on the mobile phone can…
Cellular phone safety starts with the fact that the devices we use communicate using RF signals, a portion of the microwave spectrum. When the handset is held close to the body, this invisible stream penetrates the body, impacting the brain’s…
As mobile phones have evolved, there has been a rapid growth in the number of phones available on the market. The first phablet, the Nokia 1100, was launched in the early 1990s. This phone had a screen size of 5.3…
If your phone is running slowly, try to clean up the cache. Every time you run an application, it leaves a trace that is stored in your phone’s RAM. You can clear this cache to free up RAM and speed…
The use of technology is harming our health in many ways. It is known to cause cognitive changes and increase reliance on screens. It also causes a lack of social interaction, which can cause depression, social isolation, and even suicidal…
LCD panels are used to display images on televisions and computers. They are composed of several layers. The first layer is a transparent film, followed by a polarized substrate and the liquid crystal matter itself. Each pixel is connected to…
Wireless technologies include cellular phones, laptops, and walkie-talkies. These devices are connected through radio signals. Many of these devices can be used over a wide area. However, if you’re not familiar with them, you might be surprised to learn that…
Could space technology pose a threat to human health? Many people are concerned about the risks associated with long-term spaceflight, and NASA is taking steps to mitigate these risks. Research aboard the International Space Station (ISS) has revealed that long-term…
To understand how mobile network technology works, it is necessary to know how a phone works. It uses radio channels to transmit data. These radio channels utilize multiplexing and access schemes to make use of different frequencies. These schemes are…
