We use wireless data transfer - that is,, Wi-Fi network - and home, and in the office, and cafes, and in stores. And what do we, in fact, We know about this interesting phenomenon? so, Your attention is 10 facts about the wi-fi, which you never knew existed!
Who came up with wi-fi
Did you know that, Wi-Fi is figured woman? And not just a woman, a famous actress, made famous by shooting in the nude!
It was popular in the 30-40 the last century. Her name was Hedy Lamarr. Beautiful woman from Austria became famous after his work in the Czechoslovak movie. In the film, she posed naked, at that time it was a sensation. Many criticized the actress, considering it frivolous and not far. but, Hedy Lamarr was actively engaged in science. It was she who invented the system, due to which it became possible to control the distance of torpedoes. This system later became the basis of wireless technology, under the name Wi-Fi.
The more dangerous public networks Wai-wai?
Have you ever head, standing in line at the supermarket, shout the password to your bank account or password to access their e-mail? But you do almost the same, connecting in a cafe or shop to a wireless network wi-fi.
- Did you know, that even the encrypted messages, transmitted over the network wi-fi, may read, If someone is very necessary? Of course, You are unlikely to be interested agents of the National Security, but it is not necessary to pass a particularly important information for you in this way.
- Hacker, who is with you in the same wi-fi network, easy to intercept the password for your email, Skype, as well as the password to access to your bank account, so you do not need to enter these passwords, if you go out to the network of a coffee shop or supermarket.
- If you fly in a plane or a train ride, where there is free wi-fi, then remember, you just will not get to this network in the next few hours. and hackers, sitting next to you, He knows this! Because a limit to entertainment websites or reading news.
- Some statistics. In the world every day about a billion people losing their passwords, introducing them, using the wi-fi network at a cafe or shop.
- Most of the network Wi-Fi passwords, you can choose a simple brute-force dictionary - and hackers actively take advantage of this.
- The VPN-protocol - this is the most secure way to use an open network wi-fi.
- Wi-Fi networks are considered unsafe for the person, not only because, that personal data is not very carefully protected there, but also because, that radiation from wi-fi devices is considered unsafe for humans. but, what exactly it can do much harm to the human body, It has not yet been studied. So to accurately predict, how it will affect the health of prolonged exposure near the wi-fi device, can not say.
Wi-fi around the world
Wireless communications technology wi-fi is used in many different countries around the world. And, every country has its particular use of the network.
- In Germany, free wi-fi available in all hotels. For owners of older models of laptops have special sockets.
- For lovers of free internet is the best city of the world - this is Paris. There's absolutely all cafés, hotels, as well as the gardens are equipped with free Wi-Fi network.
Wi-fi has long been a part of our daily life. but, in any country, If you go to a cafe and see an advertisement for the free internet access, do not hurry to rejoice! In fact, Wi-Fi costs has long been taken into account in prices on food, because, taking a simple cup of coffee, You already pay some time to use the wireless network.
These are the unusual things you can tell about this, it would seem that, commonplace, wireless networking.
