TEST 1： Test materials：A small transparent tract water tank. Here’s what I made with plexiglass.If too much trouble,you can also use a little deeper glass boxes.And a laser pen. Fill the tank with water. Shining into the laser from the side, You can see the phenomenon in the picture below. If in a dark room, you ...
I have a small battery on the 5th battery,Just once again idle boring Taobao looking for laser head, find a 5mW. Preferential purchase of electronic cigarettes, is optimistic about this shape and cylindrical lithium battery. First on the circuit, because it is done after the demolition, so it is reverse, make do see. Focus on ...
Let’s check the most powerful blue laser beam in different scenes — 5000mW blue laser pointer.
The laser flashlight can be used two types of battery driven(2 x 16340 batteries or 2 x 18650 batteries). Blue laser beam power consumption is very large,Those using a single 16340 battery powered blue laser pointer,Life time is less than 10 minutes, the use is not suitable for long time. Laser flashlight as a special ...
Cats prefer the laser pointer to the red dot that catches the eye.How to play with a laser pen to play with cats, there is nothing to say, after all, this is not how much high-tech content of the game, but in the course of play, there are several matters need attention. 1. Cats prefer ...
