In the context of spaceflight, a satellite is an object that has been intentionally placed into orbit. These objects are called artificial satellites to distinguish them from natural satellites such as Earth’s Moon.
invented by John Ambrose Fleming
A vacuum tube, electron tube, valve (British usage), or tube (North America),…
invented by Ernst Ruska
An electron microscope is a microscope that uses a beam of accelerated…
invented by Panasonic Philips Sony Toshiba
The DVD (common abbreviation for Digital Video Disc or Digital Versatile Disc)…
invented by Theodor Kober
A Zeppelin is a type of rigid airship named after the German inventor Count…
Suggest an invention you think it should be here
Inventions that changed the world
Leave a Reply