*Interesting knowledge*

‘In 1844 A.D.

There was 1 doctor in florida…

one day he thinked that hotness is the cause of malayria…

so, he invented one engine which could provide coldness to the patients of malayria…

but the result was fail…

because the engine only kept room cold…

there was no profit for patients…

but doctor didn’n know that accidently he has invented the modern time’s…