the viewer is taken through the physics behind these coolers and the bottlenecks which prevent them from simply cooling down to zero Kelvin. Despite the deceptive simplicity of pulse tube ...

Such is the case with this DIY outdoor furniture ... Remove the spigot on the cooler, or add a hole depending on the type you ...

Nixie tubes are the vacuum technology that manages to do far less than a graphic LCD while looking about a million times cooler ... s hobby of making DIY Nixie tubes and admired how professional ...