Home Physical

Physical

What is a neutrino?

What is a neutrino? In the late 20s of the twentieth century, when scientists are studying the decay p (that is, the atomic nucleus radiating...

What is dark matter?

What is dark matter? An astrophysicist researching discovered that in the vast cosmic space, the masses of light-emitting celestial bodies (including X-ray objects, Y-rays belonging...

What is antimatter?

What is antimatter? In 1928, English physicist Dirac predicted the existence of antimatter. He said that there is a corresponding antiparticle with the same mass...

Why say liquid crystal is neither nor liquid?

Why say liquid crystal is neither nor liquid? Solids are generally divided into two broad categories: crystalline and noncrystalline (amorphous), such as quartz, mica, ice,...

 Are superconductors not completely conductors?

 Are superconductors not completely conductors? The noun conductive (electricity) is not strange to us. Every day, when we turn on the radio or television, the...

Is plasma the fourth state of matter?

Is plasma the fourth state of matter? Under the usual temperature and pressure conditions, the matter we see always appears as a gaseous, liquid, or...

Are elementary particles no longer basic?

Are elementary particles no longer basic? Over the past 2000 years, philosophers and natural scientists have pondered a problem: what would happen if we kept...

Are photons and waves not matter particles?

Are photons and waves not matter particles? Optical quantum (light quanta) is also known as a photon. Einstein first stated this noun in a famous...

Are the rays of light in the sky curved?

Are the rays of light in the sky curved? In 1919, the Times in London published an article that shocked everyone. Its title is "Curved...

The speed of motion can reach and exceed the Speed of Light, can’t it?

The speed of motion can reach and exceed the Speed of Light, can’t it? According to human experience, it seems that a flash of Light...

Can irradiated food be preserved for a long time?

Can irradiated food be preserved for a long time? The old-fashioned method of storing food is to put food in the refrigerator or underground to...

X-rays penetrate for human body

X-rays penetrate for human body Sunlight, light, and fire are all light that the human eye can see, called visible light. There is also some...
- Advertisment -
newspaper

Most Read

What is color television?

The human eye sees an object and can see its colors because the light it emits, or light from its surface, bounces off, enters...

What is an audio CD?

Edison's phonograph underwent constant innovation to become a popular electric phonograph. It is made up of the motor, the turntable, the receiver, and the...

What is the principle of the fire detector?

Fire harms human lives and property, damages the ecological environment. Fire prevention is a matter of concern to all humans. If it is possible...

What is the principle of the theft alarm?

In important places such as money, gold, silver, underground record storage, etc., if a fraudster suddenly sneaks in. the burglar alarm will immediately sound...