Live Science on MSN
Science history: First two-way phone call across outdoor lines made by Alexander Graham Bell — Oct. 9, 1876
On Oct. 9, 1876, Alexander Graham Bell made a telephone call to his assistant a few miles away — the first demonstration of ...
Learn how to calculate the market value of equity—find the total dollar value by multiplying the current share price by outstanding shares and understand its importance.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results