The best free AI courses and certificates for upskilling in 2026 - and I've tried them all

I've worked with AI for decades and have a master's degree in education. Here are the top free AI courses online that I recommend - and why.
IEEE

High Resistance and Low Variation 8Kb SOT-MRAM Compute-in-Memory Array Based on 1T-1R Cell Structure

Abstract: Nonvolatile memories (NVMs) have emerged as promising candidates for efficient analog compute-in-memory (CIM). However, high power consumption and large variations in NVMs are key factors ...