A close up of a person sitting on a floor with a cat tail

Blue Light、Ultraviolet rays、red外線、visible light、And the beam、When we explore each light and its properties,、It shows how we relate to them in our daily lives.。 ### Blue Light Blue Lightは、波長が約380nmから500nmの範囲にあるgreen色の光です。This light is used in smartphone and computer displays.、Emitted from artificial light sources such as LED lighting、It is also included in sunlight。Blue Lightはエネルギーが高いため、Prolonged exposure may cause eye fatigue and sleep disorders。夕方以降にBlue Lightを浴びると、Disruption of the body clock、It is known to reduce the quality of sleep。Therefore、Blue Lightカットのメガネやフィルターを使用して目を守ることが推奨されます。 ### Ultraviolet rays Ultraviolet rays（UV）has wavelengths in the range of approximately 100 nm to 400 nm.、UV-A、UV-B、There are three types of UV-C:。UV-A reaches the earth's surface、It can cause skin aging and pigmentation。UV-B has strong energy、Increases risk of sunburn and skin cancer。UV-C is absorbed by the atmosphere、It usually doesn't reach the surface。Ultraviolet raysは目や皮膚に対する影響が大きいため、It is important to use sunscreen and sunglasses to prevent this.。 ### red外線 red外線（IR）has wavelengths ranging from about 700 nm to 1 mm.、It is an invisible light。This light is felt primarily as heat.。Remote control communication and、Thermal Camera、It is used in heating appliances, etc.。red外線は皮膚に温かさを感じさせ、To penetrate deep into the human body、It is also used for treatment and relaxation.。 ### visible light visible lightは、Light with wavelengths in the range of approximately 380 nm to 700 nm、It's the light we see with our eyes.。like a rainbow、red、orange、yellow、green、green、blue、It is divided into seven purple colors。This light shows me the color of things、Providing everyday visual information。In natural or artificial light sources、It is the most common light、It is an indispensable part of our lives.。 ### Beam Beam、This refers to the phenomenon in which light or particles are concentrated and emitted in a small area.。The laser beam、A typical example of this is、Coherent light travels in a straight line。This、High-precision processing and measurement、It is used for a wide range of purposes, including communications.。The beam is focused and directed、It allows for efficient transfer of energy、It plays a vital role in modern technology。 By understanding these properties of light,、Our daily life and health、Gain greater knowledge about the use of light in technology。

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