We’ve seen countless different robot kits promoted for STEM education, every one of which can perform the robotic “Hello World” task of line following. Many were in attendance at Maker Faire ...
NiSi JetMag Pro Landscape ND Kit review: ND and circular polarizing filters with magnetic attraction
The NiSi JetMag Pro system is a relatively new addition to the lineup, based on circular filters that attach to a screw-in holder by magnetic attraction. Various complete kits comprising multiple ...
Certain materials feel a magnetic force. A magnetic force can be either attraction or repulsion. How to make a magnetic compass Learn how to make a magnetic compass.
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