How Things Work
How a refrigerator actually works
A fridge does not make cold, it moves heat. Understanding the four-part cycle explains why the back is warm and…
General Knowledge
The useful background facts behind everyday decisions, from food labels to household appliances.
How Things Work
Why phone batteries get worse, and the habits that slow it down
Lithium-ion cells age from being full and from being hot, not just from being used. Most advice about charging is about the wrong thing.
Read more: Why phone batteries get worse, and the habits that slow it down
General Knowledge
Use by, best before, and the difference that matters
Use by is a safety date and best before is a quality date. Confusing the two wastes food and occasionally…