In this HVAC training video program, Jim takes you through a simplified approach to troubleshooting comfort cooling refrigeration systems. Working from the perspective that "you need to know what ...

For the first time in the world, researchers (From Korea University, Sukbae Lee, Ji-Hoon Kim, Hyun-Tak Kim) have succeeded in synthesizing a room-temperature superconductor (Tc≥400 K, 127∘C) working ...

For decades, scientists quested after a room-temperature superconductor. Now that they’ve finally found one, the hunt is on for an even better material. Until last year, all known superconductors — ...