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Scientists

This category is for questions about the people who apply the scientific method to solve problems, introduce new concepts, and strive to explain the natural world.

9,527 Questions

What was Nikola Tesla's relationship with Robert Underwood Johnson?

Katharine McMahon Johnson was, according to some accounts, the only woman Tesla ever loved. She was the wife of Tesla's lifelong friend, Robert Underwood Johnson. Though the two often exchanged flirtatious letters, their relationship was totally platonic. Not forgetting Tesla even at death, she charged Robert to keep in close touch with him always.

An order for scientific research to be universally understood scientists report measurements in?

Scientists report measurements in standard units such as the International System of Units (SI) to ensure universal understanding. These units provide a common language for researchers to communicate their findings accurately and effectively.

Why did Tesla decide to invent the radio?

Tesla invented the radio as part of his work on wireless communication and transmission of energy. He developed the technology behind radio communication, including the concept of radio waves and the Tesla coil, which laid the foundation for modern radio technology. Tesla's goal was to create a system for transmitting information and energy wirelessly, which he believed would revolutionize communication.

Where did Nikola Tesla invent the induction motor?

In the summer of 1883, Tesla was working in Strasburg, France, where he built his first actual induction motor model and saw it run.That was the first induction motor ever achived and even before the one Galileo Ferrari of Italy invented.

Scientist form what hypotheses to answer questions?

Scientists form hypotheses to propose a possible explanation or answer to a specific question or problem they are investigating. These hypotheses are testable and help guide the research process to determine if the proposed explanation is correct or needs to be revised.

What problems did humphry davy have when he made the light bulb?

Humphry Davy did not invent the light bulb; it was actually Thomas Edison who is credited with its invention. Davy did work on early electric arcs for lighting, but he faced challenges with the short lifespan of the carbon filaments used and the high energy consumption of the bulbs. These issues were later overcome by Edison's development of a longer-lasting filament made of bamboo.

Where was the Tesla coils located?

Tesla coils can be found in various places, such as laboratories for research purposes, museums for educational demonstrations, and music concerts for entertainment. They are often used to produce high-voltage electricity for experimental purposes or to create visual effects.

What system of measurent do most scientists use when collecting data and perfor ming experiment?

Most scientists use the International System of Units (SI) when collecting data and performing experiments. SI units provide a standardized system of measurement that ensures consistency and precision across scientific disciplines.

Why is it important for scientists to behave in an ethical manner?

It is important for scientists to behave ethically to maintain the trust of the public and fellow researchers, uphold the integrity of the scientific process, and ensure the accurate representation of data and findings. Unethical behavior can damage scientific credibility and lead to harmful consequences for society.

What did Pasteur settle the spontaneous generation argument?

Louis Pasteur settled the spontaneous generation argument by conducting experiments that demonstrated the presence of microorganisms in the air and refuting the idea that they could arise spontaneously. His experiments showed that microorganisms enter solutions from the air, leading to the concept of biogenesis, which states that living organisms only come from other living organisms.

When did Louis Pasteur discover germs?

In 1857 Louis Pasteur was employed to find the explanation for the souring of sugar beets used in fermenting industrial alcohol. His explanation was that germs found in the air can multiply under the right conditions.

Who was the first scientist to use the term inertia?

The term "inertia" was first introduced by Galileo Galilei, an Italian physicist and astronomer, in the 17th century. Galileo's work laid the foundation for Isaac Newton's laws of motion.

What do the scientists working on CERN the world's largest atomic accelerator hope to accomplish?

The world's largest particle accelerator is used to accelerate particles to extremely high energies at which they can undergo collisions which, it is hoped, will produce previously unseen kinds of results which will shed light on currently mysterious or unanswered questions about particle physics, thereby increasing human knowledge and our understanding of the way the universe works on a very deep, fundamental level.

How many different elements with unique properties have scientist found?

Scientists have identified 118 different elements on the periodic table, each with unique properties. These elements range from hydrogen, the lightest element, to oganesson, the heaviest synthetic element. Each element's distinct properties determine its behavior and applications in various fields of science and industry.

How many times did Nikola Tesla get injured?

Nikola Tesla was known to have been injured twice during his lifetime. The first was a burn incident in 1895 during a laboratory experiment, and the second was a fall in 1937 that resulted in broken ribs.

Name famous scientist in periodic table?

Answer: There are 13 elements named after people, although only 12 of the names are formally accepted by the International Union of Pure and Applied Chemistry (IUPAC).

  • bohrium (Bh, 107) - Niels Bohr
  • curium (Cm, 96) - Pierre and Marie Curie
  • einsteinium (Es, 99) - Albert Einstein
  • fermium (Fm, 100) - Enrico Fermi
  • gallium (Ga, 31) - both named after Gallia (Latin for France) and its discoverer, Lecoq de Boisbaudran (le coq, the French word for 'rooster' translates to gallus in Latin)
  • hahnium (105) - Otto Hahn (Dubnium, named for Dubna in Russia, is the IUPAC-accepted name for element 105)
  • lawrencium (Lr, 103) - Ernest Lawrence
  • meitnerium (Mt, 109) - Lise Meitner
  • mendelevium (Md, 101) - Dmitri Mendeleev
  • nobelium (No, 102) - Alfred Nobel
  • roentgenium (Rg, 111) - Wilhelm Roentgen (formerly Ununumium)
  • rutherfordium (Rf, 104) - Ernest Rutherford
  • seaborgium (Sg, 106) - Glenn T. Seaborg

Who or what influenced Tesla to invent what he did?

Nikola Tesla said:

The gift of mental power comes from God, Divine Being, and if we concetrate our minds on that truth, we become in tune with this great power. My Mother had taught me to seek all truth in the Bible.

In the Bible, in the book of Job, chapter 38 verse 35 gave him the clue. It says:

(Do you send the lightning bolts on their way? Do they report to you, 'Here we are'?)-----

Nikola Tesla's transalation: Do you use electricity to send or receive messages?

Nikola Tesla understood the future through this passage. Latter in life he came with AC and wireless technology.

What was Nikola Tesla's area of science?

His specialty was electricity. Check out his patents.

MOTORS & GENERATORS

Preface to AC Motor/Generator Patents 3

THE PATENTS:

(Filing date) (description) (pat. no.)

Mar. 30, 1886 Thermo-Magnetic Motor #396,121 5

Jan. 14, 1886 Dynamo-Electric Machine #359,748 9

May 26, 1887 Pyromagneto-Electric Generator #428,057 14

Oct. 12, 1887 Electro-Magnetic Motor #381,968 17

Oct. 12, 1887 Electrical Transmission of Power #382,280 26

Nov. 30, 1887 Electro-Magnetic Motor #381,969 35

Nov. 30, 1887 Electro-Magnetic Motor #382,279 39

Nov. 30, 1887 Electrical Transmission of Power #382,281 44

Apr. 23, 1888 Dynamo-Electric Machine #390,414 48

Apr. 28, 1888 Dynamo-Electric Machine #390,721 52

May 15, 1888 Dynamo-Electric Machine or Motor #390,415 56

May 15, 1888 System of Electrical Transmission of Power #487,796 58

May 15, 1888 Electrical Transmission of Power #511,915 64

May 15, 1888 Alternating Motor #555,190 67

Oct. 20, 1888 Electromagnetic Motor #524,426 71

Dec. 8, 1888 Electrical Transmission of Power #511,559 74

Dec. 8, 1888 System of Electrical Power Transmission #511,560 77

Jan. 8, 1889 Electro-Magnetic Motor #405,858 84

Feb. 18, 1889 Method of Operating Electro-Magnetic Motors #401,520 87

Mar. 14, 1889 Method of Electrical Power Transmission #405,859 91

Mar. 23, 1889 Dynamo-Electric Machine #406,968 94

Apr. 6, 1889 Electro-Magnetic Motor #459,772 97

May 20, 1889 Electro-Magnetic Motor #416,191 102

May 20, 1889 Method of Operating Electro-Magnetic Motors #416,192 106

May 20, 1889 Electro-Magnetic Motor #416,193 110

May 20, 1889 Electric Motor #416,194 113

May 20, 1889 Electro-Magnetic Motor #416,195 116

May 20, 1889 Electro-Magnetic Motor #418,248 122

May 20, 1889 Electro-Magnetic Motor #424,036 125

May 20, 1889 Electro-Magnetic Motor #445,207 129

Mar. 26, 1890 Alternating-Current Electro-Magnetic Motor #433,700 132

Mar. 26, 1890 Alternating-Current Motor #433,701 135

Apr. 4, 1890 Electro-Magnetic Motor #433,703 138

Jan. 27, 1891 Electro-Magnetic Motor #455,067 141

July 13, 1891 Electro-Magnetic Motor #464,666 145

Aug. 19, 1893 Electric Generator #511,916 148

TRANSFORMERS, CONVERTERS, COMPONENTS

Preface to Patented Electrical Components 157

THE PATENTS:

(filing date) (description) (pat. no.)

May 6, 1885 Commutator for Dynamo-Electric Machines #334,823 159

May 18, 1885 Regulator for Dynamo-Electric Machines #336,961 161

June 1, 1885 Regulator for Dynamo-Electric Machines #336,962 165

Jan. 14, 1886 Regulator for Dynamo-Electric Machines #350,954 169

Apr. 30, 1887 Commutator for Dynamo-Electric Machines #382,845 172

Dec. 23, 1887 System of Electrical Distribution #381,970 177

Dec. 23, 1887 Method of Converting and Distributing

Electric Currents #382,282 182

Apr. 10, 1888 System of Electrical Distribution #390,413 187

Apr. 24, 1888 Regulator for Alternate-Current Motors #390,820 192

June 12, 1889 Method of Obtaining Direct from

Alternating Currents #413,353 197

June 28, 1889 Armature for Electric Machines

(Tesla-Schmid, co-inventors) #417,794 204

Mar. 26, 1890 Electrical Transformer or Induction Device #433,702 208

Aug. 1, 1891 Electrical Condenser #464,667 211

Jan. 2, 1892 Electrical Conductor #514,167 213

July 7, 1893 Coil for Electro-Magnets #512,340 216

June 17, 1896 Electrical Condenser #567,818 219

Nov. 5, 1896 Man. of Electrical Condensers, Coils, &c. #577,671 222

Mar. 20, 1897 Electrical Transformer #593,138 225

HIGH FREQUENCY

Preface to Patents in High Frequency 231

THE PATENTS:

(filing date) (description) (pat. no.)

Nov. 15, 1890 Alternating-Electric-Current Generator #447,921 233

Feb. 4, 1891 Method of and Apparatus for Electrical

Conversion and Distribution #462,418 238

Aug. 2, 1893 Means for Generating Electric Currents #514,168 242

Apr. 22, 1896 Apparatus for Producing Electric Currents

of High Frequency and Potential #568,176 245

June 20, 1896 Method of Regulating Apparatus for

Producing Currents of High Frequency #568,178 249

July 6, 1896 Method of and Apparatus for Producing

Currents of High Frequency #568,179 254

July 9, 1896 Apparatus for Producing Electrical

Currents High Frequency #568,180 258

Sept. 3, 1896 Apparatus for Producing Electric

Currents of High Frequency #577,670 262

Oct. 19, 1896 Apparatus for Producing Currents of High

Frequency #583,953 266

June 3, 1897 Electric-Circuit Controller #609,251 269

Dec. 2, 1897 Electrical-Circuit Controller #609,245 275

Dec. 10, 1897 Electrical-Circuit Controller #611,719 280

Feb. 28, 1898 Electric-Circuit Controller #609,246 285

Mar. 12, 1898 Electric-Circuit Controller #609,247 289

Mar. 12, 1898 Electric-Circuit Controller #609,248 292

Mar. 12, 1898 Electric-Circuit Controller #609,249 295

Apr. 19, 1898 Electric-Circuit Controller #613,735 298

RADIO

Preface to The Radio Patents 305

THE PATENTS:

(filing date) (description) (pat. no.)

Sept. 2, 1897 System of Transmission of Electrical

Energy #645,576 307

Sept. 2, 1897 Apparatus for Transmission of Electrical

Energy #649,621 314

July 1, 1898 Method of and Apparatus for Controlling

Mechanism of Moving Vessels or Vehicles #613,809 318

June 24, 1899 Apparatus for Utilizing Effects Transmitted

from a Distance to a Receiving Device

Through Natural Media #685,955 331

June 24, 1899 Method of Intensifying and Utilizing

Effects Transmitted Through Natural Media #685,953 338

Aug. 1, 1899 Method of Utilizing Effects Transmitted

Through Natural Media #685,954 344

Aug. 1, 1899 Apparatus for Utilizing Effects

Transmitted Through Natural Media #685,956 353

May 16, 1900 Art of Transmitting Electrical Energy

Through the Natural Mediums #787,412 361

July 16, 1900 Method of Signaling #723,188 367

July 16, 1900 System of Signaling #725,605 372

Jan. 18, 1902 Apparatus for Transmitting Electrical

Energy #1,119,732 378

LIGHTING

Preface to The Lighting Patents 385

THE PATENTS:

(filing date) (description) (pat. no.)

Mar. 30, 1885 Electric-Arc Lamp #335,786 387

July 13, 1886 Electric-Arc Lamp #335,787 392

Oct. 1, 1890 Method of Operating Arc Lamps #447,920 397

Apr. 25, 1891 System of Electric Lighting #454,622 400

May 14, 1891 Electric Incandescent Lamp #455,069 405

Jan. 2, 1892 Incandescent Electric Light #514,170 408

MEASUREMENTS & METERS

Preface to Patents for Measurement 6, Meters 413

THE PATENTS:

(filing date) (description) (pat. no.)

Mar. 27, 1891 Electrical Meter #455,068 415

Dec. 15, 1893 Electrical Meter #514,973 418

May 29, 1914 Speed-Indicator #1,209,359 421

Dec. 18, 1916 Speed-Indicator #1,274,816 429

Dec. 18, 1916 Ship's Log #1,314,718 434

Dec. 18, 1916 Flow-Meter #1,365,547 437

Dec. 18, 1916 Frequency Meter #1,402,025 440

ENGINES & PROPULSION

Preface to Patents for Engines & Propulsion 447

THE PATENTS:

(filing date) (description) (pat. no.)

Jan. 2, 1892 Electric-Railway System #514,972 449

Aug. 19, 1893 Reciprocating Engine #514,169 452

Dec. 29, 1893 Steam-Engine #517,900 456

Oct. 21, 1909 Fluid Propulsion #1,061,142 461

Oct. 21, 1909 Turbine #1,061,206 465

Sept. 9, 1921 Method of Aerial Transportation #1,655,113 470

Oct. 4, 1927 Apparatus for Aerial Transportation #1,655,114 476

VARIOUS DEVICES & PROCESSES

Preface to Various Devices & Processes 487

THE PATENTS:

(Filing date) (description) (pat. no.)

June 17, 1896 Apparatus for Producing Ozone #568,177 489

Feb. 17, 1897 Electrical Igniter for Gas-Engines #609,250 493

Mar. 21, 1900 Means for Increasing the Intensity of

Electrical Oscillations #685,012 496

June 15, 1900 Method of Insulating Electric Conductors #655,838 500

Sept.21, 1900 Method of Insulating Electric Conductors

(reissue of #655,838) #11,865 506

Mar. 21, 1901 Apparatus for the Utilization of Radiant

Energy #685,957 512

Mar. 21, 1901 Method of Utilizing Radiant Energy #685,958 517

Oct. 28, 1913 Fountain #1,113,716 521

Feb. 21, 1916 Vaivular Conduit #1,329,559 525

May 6, 1916 Lightning-Protector #1,266,175 531

What could be treated as a result of Alexander Fleming's discover of penicillin?

Alexander Fleming's discovery of penicillin came about by accident.

Fleming was an untidy worker, often leaving his equipment uncleaned. When he went away for a holiday during 1828, he left a clutter of plates growing various bacteria lying about his desk. After he returned, whilst working on an influenza virus he noticed that mould had grown on a staphylococcus culture plate. Not only that, the mould had created a bacteria-free circle around itself. Working on an hypothesis, he experimented further to determine that even a weaker-strength mould culture prevented growth of staphylococci. Thus, Fleming initiated the development and practice of antibiotic therapy for infectious diseases.

Can you build a Tesla coil in city limits?

Building a Tesla coil in city limits may be subject to local building codes and regulations. It is important to check with local authorities to ensure compliance and safety of the project. Additionally, obtaining any necessary permits or licenses may be required before construction can begin.

Did Nikola Tesla become famous for his invention?

Yes, Nikola Tesla became famous for his pioneering work in electricity and magnetism, which led to the development of alternating current (AC) power systems. His inventions and contributions to technology had a significant impact on the modern world.

What was pasteur's contribution to evolution?

Louis Pasteur is known for his contributions to the field of microbiology, particularly for his development of the germ theory of disease. His work helped to further our understanding of the role of microorganisms in health and disease, but it did not have a direct impact on the theory of evolution.

Why was work of Nikola Tesla considered significatan?

Tesla was a different kind of person, inventor and genius. He was a pioneer of electrical apparatus, methods,and principles which continue to influence every aspect of our electrical world.

He invented the alternation current generators that light up the world today. He also invented the electric car engine started. He came with the basis of wireless communication, radio, x rays and remote control.

What was a direct result of discovery that germs caused disease?

The discovery that germs caused disease led to advancements in hygiene practices, such as handwashing and sterilization of medical equipment, ultimately reducing the spread of infectious diseases. It also paved the way for the development of antibiotics and vaccines to combat specific diseases caused by germs.

Why do you want to be a scientist?

I am passionate about solving problems, exploring new ideas, and contributing to advancements in knowledge and technology. Being a scientist allows me to follow my curiosity, conduct research, and make meaningful contributions to society.