Sayan’s BlogWorld

The Japanese have tested 2 versions of solar sail propulsion technology which does not require any onboard fuel and offers one of the few tangible solutions for long-distance space travel.

Alvin probably the prolific deep-sea sub is being retired. Among its many laurels is the exploration of the Titanic wreck.

The state of suspended animation that astronauts enter during long-haul space flights is a staple of science-fiction movies. But now the European Space Agency (ESA) wants to turn it into reality.

Digital Radio Mondiale (DRM, not to be confused with Digital Rights Management) is a digital radio broadcast technology that uses AAC+SBR to distribute near FM stereo quality sound over shortwave radio. AAC+SBR and other codecs for broadcast radio are discussed here.

It is really cool how sound is being used to cool.