Odometer. Travel Tips

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Odometer. Travel Tips

Tourist tips

Odometer is a handy tool for measuring the length of a winding land or waterway on a map. It is a portable mechanical device with one small wheel that you follow along the route you are interested in on the map and get on the dial the real distance on the ground, expressed in miles or kilometers.

The dial of most curvimeters has scales for maps at a scale of 1:25, 000:1 and 50:000. It is convenient to use the curvimeter when planning a trip in office conditions, in the field or on the route you can get by with improvised means (lace, wire, blade of grass).

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Mechanical skeleton controlled by human neurons 29.04.2021

Scientists at North Carolina State University in the United States have developed a new kind of mechanical skeleton that does not require pre-programming, like traditional robots, it connects to the human body to freely control the mechanical skeleton.

A large number of different mechanical prostheses have been developed around the world for patients with disabilities to help people live a normal life. However, these prostheses do not fit well into the human body and are not easy to manage.

In recent years, with the advent of brain-computer interface neurotherapy, scientists hope to develop a mechanical skeleton controlled by neurons to help people with disabilities.

Researchers have developed a neuron-controlled mechanical skeleton for a patient who lost mobility in the calf of his left leg. Through training, this patient coordinated and synchronized the mechanical skeleton and calves.

A 57-year-old patient lost sensation from the knee to the ankle of his left leg. The researchers connected a mechanical skeleton sensor to the spawn to detect a bioelectrical signal. After five workouts, the patient was able to do things he couldn't before (standing up, squatting, and lifting things).

The researchers plan to use mechanical bones and allow more patients to participate in the test and perform complex activities such as obstacle avoidance to further improve handling and stability.

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