What to Check Before Buying a Smart Security Camera
Resolution is the least useful spec here. Here is what makes footage usable when it matters.
Smart Lighting: Bulbs vs Switches vs Strips
The bulb or switch decision shapes everything that follows. Choose before you buy twenty bulbs.
How Accurate Are Wrist Heart-Rate Sensors, Really?
Wrist sensors are reliable for some things and poor at others. Here is why, and when to trust them.
GPS Accuracy in Running Watches: What Causes Drift
Why your watch says you ran further than you did, and what dual-band actually fixes.
Sleep Tracking: What Wearables Can and Cannot Measure
Wearables infer sleep stages from movement and heart rate. Here is what that can and cannot show.
Smartwatch Battery Life: What Actually Drains It
Quoted battery figures assume you leave features off. Here is what actually drains a smartwatch.
Fitness Tracker vs Smartwatch: Which Fits Your Training
The line has blurred considerably. Here is how to work out which one your training needs.
Laptop RAM and Storage: How Much Is Actually Enough
RAM is the most common laptop regret, because it is increasingly impossible to change later.
Phone Battery Health: What Actually Degrades It
Most phone battery advice is outdated. Here is what genuinely degrades a cell and what does not.
How Long Should a Phone Get Software Updates?
Update support is now among the most important phone buying factors, and the least examined.