who invented fireworks ?

technology who invented

Fireworks are used in celebrations but they are mainly used in new years celebrations and they are used for cultural and religious purpos...

who invented the walk man ?

technology who invented

Sony Walkman WM-2 the best-selling model with plastic battery case and belt clip 1981 Walkman is a music playback device produced ...

who invented the mp3?

technology who invented

  Before we get into the details of an MP3 player, we must understand what MP3 it is. What does MP3 stand for ?  The MPEG-1 or MPE...