NORWII N27 Wireless Presenter with Laser Pointer is a great way to add an extra layer of convenience and professionalism to your presentations. This laser pointer comes with a red laser that is highly visible on most surfaces, making it perfect for use in dimly lit rooms or outdoor environmen...
The projection of the tangent to the elastic line of a girder, materialized by a light beam, on an image sensor or on a target, can be effectively used for this purpose. Nowadays this is possible in a cheap and simple way thanks to laser technology. Several laser pointers, characterized ...