All Movies : Sci-fi

The principle of magnetic recording was invented by a Danish telephone engineer called Valdemar Poulsen in 1899. He used an electromagnet to record the tiny electric currents from a telephone to magnetise a steel wire. This recreated tiny currents in the electromagnet when it was replayed. All tape ...

Before the invention of the vacuum cleaner, rugs, carpets and upholstery were taken outside and beaten once a year to get the dust out (the ’Spring’ clean). Fitted carpets were totally impractical....

The principle of magnetic recording was invented by a Danish telephone engineer called Valdemar Poulsen in 1899. He used an electromagnet to record the tiny electric currents from a telephone to magnetise a steel wire. This recreated tiny currents in the electromagnet when it was replayed. All tape ...

Free University in Internet. Over 300 political, social, cultural & scientifical Clips under " kam200 " . Religion Feminism Atheism Democracy Human rights Anthropology Sociology Politics Freedom Philosophy Science History Life...

Free University in Internet. Over 300 political, social, cultural & scientifical Clips under " kam200 " . Religion Feminism Atheism Democracy Human rights Anthropology Sociology Politics Freedom Philosophy Science History Life...

Free University in Internet. Over 300 political, social, cultural & scientifical Clips under " kam200 " . Religion Feminism Atheism Democracy Human rights Anthropology Sociology Politics Freedom Philosophy Science History Life...

Free University in Internet. Over 300 political, social, cultural & scientifical Clips under " kam200 " . Religion Feminism Atheism Democracy Human rights Anthropology Sociology Politics Freedom Philosophy Science History Life...

Boeing 747: Since its first commercial flight more than thirty years ago, the Boeing 747 has flown more than two billion people a distance greater than 42,000 round trips to the Moon. Fasten your seat belt as Great Planes examines this aviation marvel and the revolution it created in passenger air ...

This video is part of a series that presents the history of some of the finest airplanes in the United States military arsenal. The program includes a tour of each plane, personal recollections by the personnel who served on board the aircraft, and exciting archival film footage of flight ions. Thi...

his video is part of a series that presents the history of some of the finest airplanes in the United States military arsenal. The program includes a tour of each plane, personal recollections by the personnel who served on board the aircraft, and exciting archival film footage of flight ions. This...