All-inorganic lead halide perovskite solar cells (PSCs) have drawn widespread interest because of its excellent thermal stability compared to its organic–inorganic hybrid counterpart. Poor phase ...

Environment-friendly antisolvents are critical for obtaining highly efficient, reproducible, and sustainable perovskite solar cells (PSCs). Here, we introduced a green mixture antisolvent of ethyl ...

A team of researchers has successfully built a strange four-faced pyramid named Bille that always lands on the same face—no ...

“Bille” is the first-ever monostable tetrahedron, or a pyramid-like shape with four triangular faces that has one stable ...

South Korea’s population could plummet to just 15 percent of its current level by 2125 if the nation’s ongoing demographic ...

South Korea’s population could drop to 7.53 million by 2125 — a sharp fall from the current 51.68 million. This would be even less than the current population of Seoul alone, which is over 9.3 million ...

Our heart, along with the brain, is the most important organ in the body. Essentially a muscle, the heart acts like a pump, circulating blood throughout the body. The heart works non stop to keep ...

Scottish singer-songwriter Lewis Capaldi made an emotional return to Glastonbury Festival on Friday, two years after he struggled to finish "Someone You Loved" on the Pyramid Stage and took a ...

This paper presents the implementation of a Linear Quadratic Regulator (LQR) for balancing control of both rotary inverted pendulum and rotary inverted pendulum based self balancing bot. A ...