Scientists have developed a digital ‘magic wand’ that uses radio strength as a communication channel to improve home health-care and prevent hackers from stealing users’ personal data.
Researchers from Dartmouth College in US developed ‘Wanda,’ a small hardware device that has two antennas separated by one-half wavelength.
This makes it easy for people to add a new device to their home (or clinic) Wi-Fi network – they simply pull the wand from a USB port on the Wi-Fi access point, carry it close to the new device and point it at the device. For the full article click here
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