Getting LeetCode onto your PC can make practicing coding problems a lot smoother. While there isn’t an official LeetCode app ...

Amanda Smith is a freelance journalist and writer. She reports on culture, society, human interest and technology. Her stories hold a mirror to society, reflecting both its malaise and its beauty.

Jerry Lu’s technology demystifies winter sports by tracking athletes’ speed, jumps, and rotations. Part of a figure skater’s job is to make their routine look as effortless and graceful as possible, ...