logo

Video encyclopedia

Flashback calendar

The Nintendo 3DS releases in Japan

Nintendo 3DS is a handheld console capable of displaying stereoscopic 3D effects without the need for any additional accessories. The console launched in Japan, priced at ¥25,000. Its hardware received positive reviews. The sales were successful, as the entire allotment of 400,000 Nintendo 3DS were sold during the release.

Radar is demonstrated for the first time

English physicists Robert Watson-Watt and Arnold Wilkins showed that radio waves could be bounced off aircraft up to 13km away. The airplane in question was Handley Page Heyford biplane bomber. British government subsequently went on to fund the development of a project later called RAdio Detection And Ranging – RADAR.

Radioactivity is discovered

French physicist Henri Becquerel accidentally put a wrapped photographic plate in a closed desk drawer with a piece of uranium on top. It remained there several days. When Becquerel later developed the photographic plate, he found an image of the uranium piece. He realized that uranium generates some kind of radiation.

Anniversaries of the (in)famous