Sci/Tech
New solar sail can propel spacecraft without power source
A domestic think tank has developed a "solar sail" to power spacecraft using solar winds. The Korea Aerospace Research Institute (KARI) on Feb. 13 said it developed and demonstrated the prototype of a solar sail deployment device.
Feb 18, 2025
Nature You Meet in the Mountains #23
May 08, 2014
Nature You Meet in the Mountains #22
May 01, 2014
What is the Dongui Bogam?
Apr 29, 2014
Nature You Meet in the Mountains #21
Apr 24, 2014
Internet of Things OS receives int'l certification
Apr 24, 2014