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
Hand motions can control smart devices: scientists
Jun 09, 2014
Nature You Meet in the Mountains #27
Jun 05, 2014
Barley sprouts can help prevent fatty liver, obesity
May 30, 2014
Nature You Meet in the Mountains #26
May 29, 2014
