Tagged: infrared

checking a TV remote controller

visitors this year: 101 An infrared remote control unit sends messages, using infrared ‘light’ to recorders and televisions. Point a remote controller at a light sensor and it may be able to pick up the...

light sensor & colorimeter

visitors this year: 123 Often used elaborately to produce a makeshift colorimeter, the light is very useful for many biology and chemistry experiments on rates of reactions. As monochromatic light is less important with...