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Abstract: Battery-free Internet-of-Things (BF-IoT), which is realized by harvesting ambient energy to power the IoT devices, has emerged to reduce the energy consumption, and alleviate environmental ...

Comics have been bringing joy to people for over a century, but how we read them is always changing. Whether it was the change from buying comics at newsstands to having a pull list at your local ...

Robux is the only in-game currency in Roblox, bought using real-world money. Free Robux can be earned through a few ways available on the internet. The best ways to earn free Robux are to use ...

Free-to-play games have risen in prominence in recent years, flooding the market with titles that you can sink dozens if not hundreds of hours into without spending a thing. With so many games and so ...