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Encyclopedia of electronics and electrical engineering
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Free online library on electronics Free encyclopedia of electronics and electrical engineering:
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Assemblies of amateur radio equipment
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Ballasts of fluorescent lamps
Bells and audio simulators
Chargers, accumulators, galvanic cells
Citizens' Band radio
Clocks, timers, relays, load commutators
Consumer electronics
Current controllers, voltage and power regulators
Data communication
Digital equipment
Electric installation work
Electric meters
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Electric power supply
Electrical safety, fire safety
Electrician's reference book
Electrician's tools
Electricity for beginners
Equipment protection from emergency operation, uninterrupted power supply units
Field intensity detectors
Fluorescent lamps
For a musician
For an electrician
For an inexperienced radio amateur
For radio amateur constructors
For students
Frequency synthesizers
Grounding and neutral grounding
Halogen lamps
High-frequency power amplifiers
Home, garden, farmland, hobbies
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Indicators, detecting devices, metal detectors
Infra-red equipment
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Microphones, wireless microphones
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Security and alarm system using mobile communication
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Sound systems
Sound-to-light units
Upgrade of radio stations
Use of microcircuit chips
Various electronic devices
Voltage stabilizers
Voltage transducers, rectifiers, inverters
Welding equipment

Free online library on electronics Useful articles and background materials:
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Batteries and rechargeable batteries
Big encyclopedia for children and adults
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Entertaining experiments in physics
For builders and handymans
For lovers of travel. Tips for tourists
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Life of great physicists
Miracles of nature. A fascinating journey around the globe
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Free online library on electronics Free magazines:
A Radio. Prakticka Elektronika magazine
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Electronique et Loisirs magazine
Electronique Pratique magazine
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Elektronika dla Wszystkich magazine
Elektronika Praktyczna magazine
Everyday Practical Electronics magazine
Evil Genius magazine
Funkamateur magazine
Nuts And Volts magazine
QEX magazine
QST magazine
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Servo magazine
Stereophile magazine
Радио Телевизия Електроника magazine

Free online library on electronics Free audio, video, tvs schematic diagrams and service manuals:
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Popular video recorders and video players

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Elenberg, Cameron, Cortland domestic radio electronics
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Vestel TVs
Vitjaz TVs

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Makita electric tools

Free online library on electronics Free electric tools schematic diagrams and service manuals:
Bocsh electric tools
Makita electric tools

Free online library on electronics Free reference books:
Collection of dumps
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Horizontal-output transformers by HR company
Horizontal-output transformers by Konig company
Integrated circuits, microcontrollers and transistors
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Radio components by Atmel
Radio components by Cirrus Logic
Radio components by Maxim
Radio components by Microchip
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Radio components by National Semiconductor
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Radio components by Samsung
Radio components by Sharp
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Radio components by Toshiba
Remote controls for TV sets and monoblocks

News of science and technology




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World audio
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World DVDs
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World fridges
World microwave ovens
World monitors
World monoblocks
World phones
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World projectors
World TVs
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World video recorders
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Free online library on electronics

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Free online library on electronics Free online library on electronics, Free encyclopedia of electronics and electrical engineering

All articles of the Free encyclopedia of electronics and electrical engineering are listed in alphabetical order. For automatic translation of articles into your native language, please use Translate it! form in the top left corner of the page.

Big Encyclopedia. Medicine

Big Encyclopedia. Medicine

Big Encyclopedia. Medicine. Simple answers to difficult questions:

Can a virus be seen?

Can I hypnotize a person against his will?

Do I need to retrain left-handed?

Do I need to take vitamins?

Due to what is the therapeutic effect achieved when using medical leeches?

How are Mendelís laws used in paternity tests?

How can I determine blood type?

How dangerous is the side effect of medications?

How did a thieving servant help the Dutch physician Christian Aikman to win the Nobel Prize?

How did Captain Cook become the first navigator to avoid loss of personnel from scurvy?

How did Louis Pasteurís bacterial theory affect human longevity?

How did medicine originate?

How did the hospital appear?

How did the prejudice of farmers in the English county of Gloucestershire lead to the victory of medicine over smallpox?

How do antibiotics work?

How do blood banks work?

How do glasses adjust vision?

How do the achievements of modern civilization damage man as a biological species?

How do you explain supersensible perception?

How do you learn to speak deaf?

How does the broadcast work?

How does the duration of the walk affect its effectiveness?

How does the frequency of shaving related to the health of a man?

How does the lie detector work?

How is a broken bone treated?

How long has craniotomy been practiced?

How long has prosthetics appeared?

How many kilometers does a person walk on his life?

How should I behave when measuring blood pressure?

How should I live to live as long as possible?

How to deal with diphtheria?

Is it true that the best remedy for depression is to give up on it?

Is there more caffeine in a cup of tea or a cup of coffee?

What a coincidence did Louis Pasteur open the vaccination?

What are anesthetics?

What are antibiotics?

What are digestives?

What are mental phenomena?

What are sprains, tendons and bruises?

What are the benefits of stopping smoking?

What are the causes of baldness?

What are varicose veins?

What causes a headache?

What causes a stomach ulcer?

What causes dandruff?

What causes stomach ulcers?

What crime did Burke and Hey commit?

What did Captain Cook give his people to fight with scurvy?

What disease do British doctors face most often?

What Ears Can Hurt?

What is a blood transfusion?

What is a cold?

What is a drug?

What is a heart attack?

What is a medicine?

What is a neurosis of fear?

What is a placebo and why is it used?

What is a rheumatic attack?

What is a sleep disorder?

What is a stroke?

What is a vaccine?

What is amnesia?

What is an ECG?

What is an optical illusion?

What is anemia?

What is anorexia?

What is arthritis?

What is asthma?

What is botulism?

What is cancer?

What is cerebral palsy?

What is color blindness?

What is endocrinology?

What is extrasensory perception?

What is hallucination?

What is hay fever?

What is heredity?

What is hypervitaminosis?

What is immunity?

What is intoxication?

What is IQ?

What is leprosy?

What is leukemia?

What is malaria?

What is marijuana?

What is measles?

What is meningitis?

What is MRI?

What is nicotine?

What is orthorexia?

What is plastic surgery?

What is polio?

What is rabies?

What is rheumatism?

What is ringworm?

What is seasickness?

What is the antidote?

What is the main cause of death after a shipwreck?

What is the plague?

What is the twenty-fifth frame?

What is tuberculosis?

What is typhoid fever?

What is yellow fever?

What is ZEG?

What makes gout sick?

What makes people allergic?

What will be the biggest killer of humanity by 2030?

When and how did aspirin appear?

When and who marked the beginning of cardiac surgery?

When did dentistry appear?

When did you begin to have a heart transplant?

When was the broadcast first used for anesthesia?

When was the surgery first applied?

Where do warts come from?

Who and how was the first to succeed in the fight against bacteria and how did it end for him?

Who and when carried out the first human heart transplant operation?

Who can be called a genius?

Who discovered hypnosis?

Who discovered medicine?

Who first used the drugs?

Who is called a mentally retarded child?

Who is Hippocrates?

Who started immunizing first?

Who was the first doctor?

Why are our teeth being destroyed?

Why are some people afraid of heights?

Why do children have chickenpox?

Why do men get atherosclerosis 10 times more often than women?

Why do people faint?

Why do people stutter?

Why do some people have dwarf growth?

Why do warts appear?

Why do we have a fever during an illness?

Why do we have acne?

Why do we walk in circles when we get lost?

Why does alcohol cause intoxication?

Why does parotitis occur?

Why hasn't a cure for cancer been found?

Why in September 1945, on the eve of the English microbiologist Alexander Fleming in the French capital, the Paris newspapers wrote, that for the defeat of fascism and the liberation of France, he made more whole divisions?

Why is bread called the prop of life?

Why is Hippocrates considered the father of medicine?

Why is it good to sleep in the middle of the day?

Why is it harmful for children under two to watch TV?

Why is it hot?

Why is it necessary to take into account its blood transfusion group?

Why is osteoarthritis of the knee joints in women twice as often as in men?

Why is scarlet fever?

Why is sunlight good for health?

All articles of the section Big Encyclopedia:

Anatomy, physiology, psychology






Countries and nations

Culture, the arts, fashion

Economics and finance

Engineering, technology, transport

Food and drinks

Geography, ecology


Inventions and discoveries




Science and education