World Changes Due to the Telephone. Within 50 years of its invention, the telephone had become an indispensable tool in the United States. In the late 19th century, people raved about the telephone's positive aspects and ranted about what they anticipated would be negatives.
When you hold the ice cube for a very long time, the enzymes deactivate. Blood circulation stops. The brain initiates impulses for blood circulation. The local nerves therefore get irritated and produce a sensation of heat.
But when feet feel cold but are not cold to the touch, a possible cause is a neurologic problem, such as peripheral neuropathy. Of course, feet can get cold for many reasons. The most obvious is a cold environment, along with a lack of proper shoes or socks.