In the 1960s, the administrator of the American space agency was actively involved in the success of the Apollo mission, but his legacy is controversial. Who was James Webb?...
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4 Minutes
8 Minutes
Webb Telescope | Space Optical Instrument and The most powerful space observatory ever built
The James Webb Telescope is the most complex and powerful space observatory ever built. The Webb Telescope is the result of a collaboration between NASA, the European Space Agency and the Canadian Space Agency....
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6 Minutes
Astrophysics | Definition and Explanations
Astrophysics (from the Greek aster: star, celestial body and physis: natural science, physics) is an interdisciplinary branch of astronomy, based on physics and chemistry, which initially consisted essentially in measuring and explaining the movements...
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5 Minutes
Frilled Shark | Looks Like a Snake Rather Than a Shark
Frilled Shark are often called "living fossils" because they have evolved little since they first appeared on Earth more than 80 million years ago. This distant cousin of other sharks like the great white...
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4 Minutes
Rhodium is chemical element with atomic number 45 and symbol Rh
What is rhodium, this metal which is worth seven times more than gold? A silvery-white metal from the platinum family, with an appearance close to silver, very hard and very resistant to corrosion. There...
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7 Minutes
Car Engine Type (Motor Types) How to choose the right engine?
This aricle can help you select the car engine type that suits you best, especially in terms of budget. Before going to the dealership to buy a new vehicle, it is better to ask...
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4 Minutes
Soundproof Generator Sound and How to Make it Less Noisy (Quieter)?
The convenience of using a Soundproof Generator sound is something that must be considered. This article discusses: generator silencer, soundproof generator sound and the decibel scale of this generator....
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4 Minutes
Electrical Fuse | Role and Types in Electricity
Having to disappear in favor of the circuit breaker, the electrical fuse nevertheless has certain advantages. What is the fuse used for, what are its different types and what are its disadvantages compared to...
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4 Minutes
Genset (Generator set or Engine-generator) | Guide: operation, composition and characteristics
Genset is a practical device so that there is no shortage of electrical energy. And if you don't have the means or the inclination to buy one, you can opt for a generator rental,...
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9 Minutes
Zinc is a chemical element in the periodic table that has the symbol Zn and atomic number 30
When taken with certain antioxidants, zinc may delay the development of age-related macular degeneration (a small, round area located at the back of the retina)....
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2 Minutes
Wan Hu, Ming Dynasty Astronaut | The story of the conquest of outer space
Wan Hu, a high rank official, Chinese born in the 16th century, is known to be the first person to die from space flight. His goal was to go to the Moon and to...
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4 Minutes
Blood in a 46 Million Year Old Mosquito
Blood in a 46 million year old mosquito; in the film Jurassic Park, scientists resuscitate dinosaurs from DNA preserved in blood ingested by mosquitoes preserved in amber. A far-fetched scenario because, to date, no...
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14 Minutes
Atomic Model | Various Types: Democritos, Dalton, Thompson, Rutherford, Nagaoka, Bohr, Sommerfeld, Schrodinger and Quantum Mechanics
Here are the different types of atomic models: Democritus, Dalton, Thompson, Rutherford, Nagaoka, Bohr, Sommerfeld, Schrodinger and Quantum Mechanics...
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7 Minutes
Earth Science (geoscience) | Fields and Limitations
Geoscience or Earth Science integrate everything related to the Earth system, from its core to its atmosphere. They study the structure, evolution and dynamics of our planet, as well as the processes (physical and...
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5 Minutes
Geology is the study of the parts of the Earth | Definition, Explanation and Different Related Disciplines and Fields
Geology is a science that consists of studying the parts of the Earth accessible to observation and developing hypotheses that make it possible to reconstruct their history and explain their layout....
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3 Minutes
Special Relativity Theory | Definition and Explanation
The special relativity theory explains how space and time are connected for objects that move at consistent speeds in straight lines. One of the most famous aspects is that objects move at the speed...
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5 Minutes
General Relativity Theory | Definition and Explanation
General Relativity General relativity, based on the principle of general covariance which extends the principle of relativity to non-inertial reference frames, is a relativistic theory of gravitation, that is to say, it describes the...
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3 Minutes
Homogeneous and Heterogeneous | Difference, Mixtures, Example (Chemical Physics)
Homogeneous and Heterogeneous | Difference, Mixtures, Example The terms heterogeneous and homogeneous refer to mixtures of materials in chemistry. The difference between heterogeneous and homogeneous mixtures lies in the degree of mixing of the...
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