Most schools in North America are opting for a total WiFI wireless local area network (WLAN) that allows computers and laptops to be connected to each other without wires. But the Swiss and German governments prefers – LAN – wired networks that do not emit microwave radiation.
For example, on their public health website, they specifically warn about the dangers of WiFi:
“Only switch your WLAN (WiFi) on when you need it. With laptops, in particular, it is a good idea to switch the WLAN (WiFi) off as otherwise the device will repeatedly try to connect to a network, leading to unnecessary radiation…and caution should be exercised primarily when using devices held close to the body, such as laptops, PDAs and Internet telephones”.
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