Beverage Coaster Indicates Ideal Drinking Temperature

When temperatures plummet, there’s nothing like a hot beverage to keep you warmed up inside. [Palingenesis] aka [Tim] sure does fancy a nice cuppa, but only within a certain temperature range…

Homemade thermal battery system keeps the shop cool with Arduino | Arduino Blog

When trying to cool off a space, most people reach for an air conditioning unit that uses a pump, compressor, refrigerant, and a radiator to move heat from inside a room to the outside air. But in a break from this typical model, YouTuber Curtis...