"Smart Experimental Instrument" Collision experiment module of "LabQuest 2" dedicated terminal for science education. It is very convenient to use, but if you buy it you get locked in as much as you buy. It seems interesting to mass-produc…

It is a three-dimensional display of the power of the magnet which was popular in today's demonstration. Although commentary is put in the voice, the magnetic force blew out from the red north pole (my picture is breathing out) is sucked i…