Activity for wasIzy
| Type | On... | Excerpt | Status | Date |
|---|---|---|---|---|
| Edit | Post #296313 | Initial revision | — | 3 months ago |
| Answer | — |
A: How is this air conditioner possible? Maybe it is more than just a fan! I found very divergent seller-descriptions of the product (unfortunately not the 30 degrees in 2 minutes claim that you report). Site in USA states that it uses "German-inspired evaporative cooling". A phase-change should actually provide cooled air! No m... (more) |
— | 3 months ago |
| Comment | Post #296305 |
Yes, it is a fan.
At a few hundred mW, how can dropping 30deg in 2 mins not be false **for the room**? Where does all that energy disappear to?
Does it feel cooler?
Oh yes (but not for reptiles without easy access to water).
The room should actually get slightly hotter (the fan adds ... (more) |
— | 3 months ago |
| Edit | Post #296305 | Initial revision | — | 3 months ago |
| Answer | — |
A: How is this air conditioner possible? Relax, the laws of thermodynamics still hold. The device may well cool you down if you provide some sweat for it to evaporate. I'm sitting (and sweating) in front of a fan as I type this and it's cooling me very nicely ...and heating the room at the same time of course. I was curious. and ... (more) |
— | 3 months ago |