I have two NFC chip implants. One in each hand. I put the one in my left hand in myself, on a Saturday afternoon in January 2024, after spending two or three minutes holding the needle against my skin and slowly working out the exact spot. The one in my right hand I drove an hour out to Worcester for, paid a guy $150, and held still while he did the install in a tattoo and piercing studio. Same te
Memory leaks in JavaScript don't announce themselves with an error. They show up as a heap that grows by 20MB per minute — invisible in a five-minute Lighthouse run, fatal in a six-hour production session. Why React apps leak: A useEffect that opens a WebSocket and never closes it on unmount. A setInterval without clearInterval in the cleanup return. A global Map that grows without bound. In each
Try this. Find a photo on your phone that you love. Now squint, or zoom out until it's the size of a stamp. It's still the same photo. You can still tell what's in it. But something about it has gone a little flat — the part that made you take it in the first place has quietly walked out of the room. Most of us would describe what just happened with a shrug: "it's just smaller." But the truth is m
Random 30–50ms freezes with no obvious long tasks in the Performance panel often have one root cause: the garbage collector. V8 pauses JavaScript execution to reclaim memory, and if your allocation rate is high enough, those pauses happen frequently — creating jank that shows up as a sawtooth pattern in the memory timeline rather than a spike in the flame chart. What this covers: How V8's generati