The United States is now developing a new type of weapon, which is very powerful and can instantly penetrate an aircraft carrier. This guy’s such powerful power makes everyone very nervous. Many people worry that such weapons can instantly penetrate the aircraft carrier. Will it be able to change the mode of future warfare in…
Category: Knowledge
What is the difference between the red laser and infrared of the laser pointer?
The meaning is different. Infrared is an abbreviation of infrared, which is an electromagnetic wave that can realize wireless transmission of data. The laser is another major invention after nuclear energy, computers, and semiconductors since the 20th century. It is called “the fastest knife”, “the most accurate ruler”, and “the brightest light”. The laser is…
I have a magical laser pointer
I have a magical laser pointer. My laser pointer is very delicate. It is silver-white. There are two small buttons on the cap and a searchlight like an elephant’s nose. The laser pointer has many functions. Press the front button to turn it into a flashlight and help at night. I illuminate; press the button…
How does the laser pointer light a match?
Many sellers claimed in the product introduction that the light emitted by the laser pointer can “ignite firecrackers”, “ignite firecrackers”, and even “light cigarettes”. The experimental method is not complicated, and the match is fixed on the table with a dovetail clip. Press the bright laser pointer and aim the laser at the match. Surprising…
What is the difference between laser and LED light
The Laser pointer of laser is different from ordinary light and sunlight. It has physical characteristics such as good directionality, pure color and large energy. In the clinical application of laser, there is a distinction between strong laser and weak laser. The core part of the light-emitting diode is a wafer composed of p-type semiconductor…
What is the difference between a laser pointer and a laser flashlight?
Laser is an attribute. The so-called laser light should be another name for Laser pointer or laser flashlights. Hand-held lasers can be played in your hands. At present, there are two types of external shapes that are recognized: pen type, what you call laser pointer; and another type of flashlight, namely laser flashlight. The laser…
Different colors of laser pointer are obviously different
The brightness of the two-color laser bomb is also different. In other words, green is more smart. The cursor and cursor strength of different colors are different. Some of them are lit by double infrared light, and the lights are blue and purple for three times. Some of them are basically two kinds of profits,…
Anti-satellite laser technology
Whenever you need a laser pointer, you should make more preparations, learn more basic knowledge, and then make a decision. People can always find satisfactory Laser pointer from reliable equipment at reasonable prices. Laser technology is actually a very broad concept. For example, the directional energy anti-riot rejection system that has appeared many times at…
The principle of laser hair removal by laser pointer
Light is the source of life, it is the basis of our study and understanding of the world. With wavelengths between the visible spectrum of 380 ~ 780 nm and uv less than 380 nm, laser hair removal is a very safe and effective method with very clear direction and no side effects. Skin is…
How much is the most powerful laser pointer?
The laser pointer is usually worth $100. Internet shops are cheaper and you can choose a good brand. Good YLT-330 (50W) laser arrow, the flying distance is several kilometers. Writing design, silver-gray appearance, suitable for lectures, conferences and lectures. The power of Uniland YLT-330 is 5mw, 10mw, 20mw, 30mw, 50mw, 100mw, 150mw and 200mw. It…