To improve the accuracy and sensitivity of his equipment [David Prutchi] built this thermoelectric photomultiplier tube cooling rig. You can’t actually see the tube in this image but it looks ...

[Nixie] happened to have some unneeded cooling tube lying around and started designing a new type of helping hands from the ground plane up. Taking advantage of the fact that cooling tubes are ...

Its technology, called Cypher Pro Micro Cooler ... The system seems very simple with the cooling tubes, but it is a complex process designed around how the human body works.