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2022-12-05 19:22:41 Open / Comment

2022-12-01 20:23:41 Who is known as the “Father of industrial robotics”?

Although the first robot manipulator was invented by George Devol, many experts called another person the “Father of industrial robotics”.

This “Father” is an American physicist, engineer and entrepreneur Joseph Engelberger (1925-2015) .

In the late 1960s, Engelberger acquired Devol's robot patent to modify it into an industrial robot and form a company called Unimation to produce and market the robots.

After leaving Unimation, and seeing his parents age, Engelberger saw an opportunity for robotics to improve the medical field. He founded Transitions Research Corporation in 1984, selling in 1988 the first HelpMate unit-a robot designed to deliver different supplies within hospitals. In the 1990s, over 100 hospitals worldwide were operating HelpMates. This success gained him even more recognition.

Even in his eighties he continued to work in the field of robotics, especially in the sub-field for elderly care.

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2022-11-30 19:54:55 Open / Comment

2022-11-24 20:42:14 Open / Comment

2022-11-23 20:53:43 What is robotics and its laws?

Nowadays, robotics is defined as a branch of engineering that embraces conception, design, manufacture and operation of robots. Its objective is to create intelligent machines that can assist humans in a variety of ways.

The word robotics first appeared in Isaac Asimov’s science-fiction story Runaround (1942), in which this American writer also formulated the Three Laws of robotics.

A robot may not injure a human being or, through inaction, allow a human being to come to harm.

A robot must obey the orders given to it by human beings, except where such orders would conflict with the First Law.

A robot must protect its own existence as long as such protection does not conflict with the First or Second Laws.

Later, Asimov added a fourth (or more precisely a Zeroth law) one:

A robot may not harm humanity, or, by inaction, allow humanity to come to harm.

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2022-11-22 19:51:29 Open / Comment

2022-11-21 19:05:22 Open / Comment

2022-11-11 20:22:09 How many and what food do we need?

Age, sex, weight, height, and level of activity determine the number of calories a person needs each day. The recommended daily caloric intake for a child aged 11 to 14 can range from 1,600 to 2,600 calories per day. For adults, this can range from 1,800 to about 3,000.

A healthy diet contains a balanced mix of different foods that together provide all essential nutrients.

A food pyramid is a diagram of a healthy diet that shows the number of servings of each food group a person should eat every day.

Malnutrition is the lack of a balanced diet. Too few or too many nutrients, or an imbalance of nutrients (too many carbohydrates, for instance, and not enough fruits and vegetables) can lead to malnutrition.

Undernutrition is a form of malnutrition. Usually linked to hunger, it happens when the body does not get enough food to meet its needs. It can cause many diseases and even lead to death, which is called starvation in this context.

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2022-11-10 17:09:43 Open / Comment

2022-11-07 20:11:02 What are functions of B vitamins and of two vitamin-like nutrients?

Vitamin B6 is also called pyridoxine. Vitamin B6 helps form red blood cells and maintain brain function. This vitamin also plays an important role in the proteins that are part of many chemical reactions in the body. The more protein you eat the more pyridoxine your body requires.

Vitamin B12, like the other B vitamins, is important for metabolism. It also helps form red blood cells and maintain the central nervous system.

Biotin (B7) is essential for the metabolism of proteins and carbohydrates, and in the production of hormones and cholesterol.

Niacin (B3) is a vitamin that helps maintain healthy skin and nerves. It also has cholesterol-lowering effects at higher doses.

Folate (B9) works with vitamin B12 to help form red blood cells. It is needed for the production of DNA, which controls tissue growth and cell function. Any woman who is pregnant should be sure to get enough folate. Low levels of folate are linked to birth defects such as spina bifida. Many foods are now fortified with folate in the form of folic acid.

Pantothenic acid (B5) is essential for the metabolism of food. It also plays a role in the production of hormones and cholesterol.

Riboflavin (B2) works with the other B vitamins. It is important for body growth and the production of red blood cells.

Thiamine (B1) helps the body cells change carbohydrates into energy. Getting enough carbohydrates is very important during pregnancy and breastfeeding. It is also essential for heart function and healthy nerve cells.

Some vitamin-like nutrients are also needed by the body such as:
Choline that helps in normal functioning of the brain and nervous system. Lack of choline can cause swelling in liver.
Carnitine that helps the body to change fatty acids into energy.

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