A team from the City University of Hong Kong (CityU) has developed a highly efficient, printable, and stable perovskite solar cell and claims that the daily output can be as high as 1,000 solar panels. Because it is flexible and semi-translucent, it can City University of Hong Kong Develops Printable Solar Cells: Production As Simple as ‘Printing Newspapers’
A team from the City University of Hong Kong (CityU) has developed a highly efficient, printable, and stable perovskite solar cell and claims that the daily output can be as high as 1,000 solar panels. Because it is flexible and semi-translucent, it can 
A satellite image is sparking speculation. Mock-ups of U.S. fighter jets captured in China’s desert. Has the Chinese military been practicing how best to attack them? Biden warns China’s leader Xi to be aware of the “price-to-pay” if China continues
WASHINGTON—Li Hongxiang doesn’t know what normal family life looks like—he was robbed of it right after birth. He was 36 days old when Chinese authorities threw his dad into jail. The next time they reunited, he was 10. Upon arresting his father and