In this advanced age, experts are developing amazing things. In this regard, Amanda Strenso and David Bran of the Advanced Robotics and Control Laboratory at Vanderbilt University have jointly invented an exoskeleton, a machine worn on the legs, which can simulate the walking and running speed of a normal human being.

According to an estimate, the human running speed is about 3.12 meters per second, while the maximum speed recorded is 4 meters per second. 

But when wearing this exoskeleton, the speed of a normal person can be up to 20.9 meters per second, which is more than the world's fastest athlete, Usain Bolt. Experts say about this invention that during normal walking, our legs not only move forward but also support the weight of our whole body, due to which our walking and running speed is not high.

This exoskeleton, which has a sling-like design, partially takes over the weight of the human body during running and walking, resulting in faster forward movement. In initial trials, volunteers wearing this exoskeleton were noted to be up to 50 percent faster than normal.

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Regarding its application, David Brann says that the invention could be useful for law enforcement, aid workers, and even the general public.

Charging with Wi-Fi Signals

Engineers at the Massachusetts Institute of Technology have invented an experimental device using graphene that can absorb Wi-Fi signals and generate electricity.

Experts have dubbed it "terahertz reactive fire." Square-shaped microscopic graphene Consists of pieces, with a layer of Boron Nitride underneath. Wi-Fi signals pass through this device unhindered to reach the smartphone/smart device's antenna, but the terahertz rectifier fires during transit. Electrons in graphene transfer some of their energy, causing them to flow in a specific direction as direct current (DC). The same current can be used in charging.