Search Result For patent
The day the telephone was patented – level 1
07-03-1876Alexander Graham Bell starts his experiments in 1873. He wants to...
The day the telephone was patented – level 2
07-03-1876Alexander Graham Bell started his experiments in 1873. He was trying...
The day the telephone was patented – level 3
07-03-1876Since 1873, Alexander Graham Bell was trying to find a way...
The day the cinema was created – level 1
22-03-1895In 1891, Thomas Edison makes the first camera. The camera makes...
The day the cinema was created – level 2
22-03-1895In 1891, Thomas Edison constructed the first version of a camera....
The day the cinema was created – level 3
22-03-1895In 1891, Thomas Edison constructed the first version of a camera....
The day the most famous formula was published – level 1
27-09-1905In 1905, Albert Einstein is a young man. He works for...
The day the most famous formula was published – level 2
27-09-1905In 1905, Albert Einstein was a young man. He worked for...
The day the most famous formula was published – level 3
27-09-1905In 1905, Albert Einstein was a young man working for the...
