"It is Intel's new 22 nanometer technology with Tri-gate transistors that has brought these limitations. The transistors are extremely tightly packed and the die size is so small compared to earlier processors, that the heat cannot be removed fast enough with air and water cooling."
still 4 sale https://hardverapro.hu/aprok/hirdeto/mghltm/index.html || http://www.youtube.com/watch?v=85VErvTqgWc