I suppose a crate full of them could fall on your head ...
Or someone could shine one in your eyes when you were driving ...
But barring something like that, laser pointers do not have enough power to harm skin. You shouldn't look directly at them (as the sign on more than one research laser I've seen says, "Do not stare directly into beam with remaining eye"), but you can shine it at your hand for as long as you like.
amazon.com has a wide variety of laser pointers.
If you have a cat, you know how fun laser pointers can be. If you need a laser pointer for other things such as a power point presentation, Amazon sells them in packs.
It is very difficult to get it through customs especial in Australia, UK and USA
3 pointers...
the different pencil pointers are albert Einstein. Archimedes and some other jinjurikis
Laser pointers and laser pens are basically the same thing. A laser pen is a laser pointer with a pen attached.
no , laser pointers emit a lower wavelength of radiation
Because the laser pointers are much easier to use than the ball pointers. The ball pointers are often difficult to move around while the laser pointers can move in any direction without "getting stuck"
Laser pointers are often very useful. People purchase laser pointers for business purposes and in order to play with animals. They can be very entertaining for cats. People purchase laser pointers as often as they need them.
Not usually. Laser pointers are usually diode lasers.
You cannot purchase new green laser pointers for $10. Most of the green laser pointers for go around $30.
Laser pointers are available in red, blue, green, yellow, and violet (purple). Green laser pointers are the most preferred of all the colors because they are the brightest, most visible, and can be seen the farthest distances.
Yes laser pointers can get you in trouble in school because they distract class and could hurt someone's eyes.
Yes
Red laser light.
amazon.com has a wide variety of laser pointers.
White laser pointers have several advantages over other colored laser pointers. One key feature is their ability to produce a brighter and more visible beam, making them ideal for presentations and pointing out objects from a distance. Additionally, white laser pointers are less likely to cause eye strain compared to colored lasers, as the white light is easier on the eyes. Another benefit is that white laser pointers can be used on a variety of surfaces, including screens and whiteboards, without losing visibility. In contrast, colored laser pointers may not be as visible on certain surfaces and can be harder to see in well-lit environments.