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My personal thoughts on the world around me

Circuit DesignHaptic Feedback Sep 12, 2026 · 12 min read Can a touchscreen feel like paper? I built a programmable driver to find out. Electrovibration can make smooth glass feel textured without moving the surface. I set out to replace the bulky transformer from my capstone with a compact, transformer-free circuit whose output waveform is defined entirely in software. Read post → Investing Aug 20, 2026 · 7 min read I thought good stocks always bounce after a crash. So I tested it. My rule was simple: when a promising company drops 15–20%, buy the dip and wait for the rebound. So I pulled 268,000 crashes going back to 1925 and checked whether it actually holds. Read post →