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
New lens can see 160nm objects
May 27, 2014
Causes of obesity found
May 22, 2014
Nature You Meet in the Mountains #25
May 22, 2014
Researchers develop microscopic gas sensor
May 21, 2014
The Dongui Bogam's View on Humanity and the Universe
May 21, 2014
Nature You Meet in the Mountains #24
May 15, 2014
Scientists get electricity from water
May 14, 2014