The journal

What we checked before selling it, and what we measured ourselves.

Air cooler or fan: what each one actually does

Both sit on the same shelf and do different jobs. One moves air, the other takes heat out of it — and the second has a condition of use people usually discover too late.

Cool your neck, not the room: why it works

Fifteen euros around your neck change how you feel more than three hundred euros in the middle of the living room. It is not a trick: it is blood flow, and it can be measured.

Portable mini fridge: what it keeps cold, and for how long

A cool box keeps the cold you put in it; a mini fridge makes cold. You cannot see the difference in a shop — you see it after four hours on the road.

Heatstroke in dogs: the signs, the actions, the gear

A dog has no sweat glands on its body. It regulates by panting, and beyond a certain temperature that mechanism alone is not enough — the margin is far narrower than people think.