It started with radios, then came the television and now we have the internet.  They are all products of physics. 

Electricity has been harnessed by physics and thus we are able to have light at the flick of a switch.  If we are too cold we can turn on the heater and we can cool down the air to suit our needs. 

Another wonderful invention in the field of physics is the invention of the microwave oven.  It involves multi-photon ionization, magnetrons and electromagnetic waves.  We do not think of all those when we are heating up pizza or while cooking pasta.

We cannot think of a time we lived without cell phones, computers and even minor things like calculators and electronic watches.  More and more people are depending on the Global Positioning System or GPS for directions.  Hospitals have grown with the materialization of micro surgeries.  People live normal lives with hearing aids.  Shopping is not complete without bar code readers.  We have got to thank quantum mechanics for enriching our lives. 
It is hard to pinpoint any area where physics is not present.  In fact it is so much a part of nature that the Greek word for nature “physis” has coined the term “Physics”.

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