LONDON—President Trump’s crackdown on Chinese imports in the U.S. has redirected a tsunami of cheap stuff into Europe. Some of it is pooled in Xue Er’s backyard. A stay-at-home mom in her 40s who ...

Armies of humanoid robots are poised to march into the world’s factories. But before they’re ready to turn a wrench, they must solve what Elon Musk calls “the hands problem.” Creating the mechanical ...

If you’ve ever searched for ways to practice coding or prep for tech interviews, you’ve probably seen LeetCode mentioned everywhere. But in 2025, is LeetCode free, or do you have to pay to get ...

You probably don’t need more time. By Jancee Dunn When I look back on all the major decisions I’ve dithered over, I could scream. It took me a decade to commit to becoming a parent. I wavered for a ...

Notifications You must be signed in to change notification settings Date: 8/26/2025 Total Time: Approximately 9.5 hours Project: Solve the Maximum SubArray problem--develop a Sum of Subarray's map to ...

To fix There is a problem with your graphics card error in Windows 11/10 use the following suggestions: Roll Back your graphics card driver Uninstall the Windows ...

Bug: A naive solution may try all subarrays using nested loops (O(n²) or worse), which is too slow for large inputs. Expected: Use Kadane’s Algorithm (O(n)), which efficiently updates the running sum ...

After Substack shocked an unknown number of users by sending a push notification on Monday to check out a Nazi blog featuring a swastika icon, the company quickly apologized for the “error,” tech ...

So, you’re getting ready for job interviews, maybe trying to land a spot at a big tech company, and you’ve heard about LeetCode Premium. The big question is: is leetcode premium worth it? With 2025 ...

Researchers have found a way to improve crop yields by addressing photorespiration. This metabolic process, which occurs alongside photosynthesis, can reduce crop productivity by up to 36%.

When the greatest mathematician alive unveils a vision for the next century of research, the math world takes note. That’s exactly what happened in 1900 at the International Congress of Mathematicians ...