Thermal cameras detect human body heat and some materials are transparent to the naked eye, but do not allow detection of body heat by the thermal camera.
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Signals generated by the inner ear and eye positions are combined to maintain visual focus.
Sound is made by vibrations. Sound travels better through solids and liquids than through air.
Join BJ and Dion as they discover all about Reptiles and Frogs in this edition of Science Time.
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