Hi,

Here is another paper on using superconducting (e.g. low temperature physics) to shied gravity. Also, the second link is a paper where superconduction could be used in a practical sense, to protect astronauts against harmful sun radiation using superconduction to create an electromagnetic force shield during a space trip to Mars, for example.

The Earth has natural electromagnetic fields that protect us against sun radiation.

http://www.geocities.com/Area51/Shadowlands/6583/project167.html

http://www.freemars.org/studies/magshield/

Regards,

LelandJ