> ... at 4.2 Kelvin (4.5 degrees above absolute zero, ...) Is my understanding wrong (or out of date) or the article bad at this point? I thought the Kelvin s

> ... at 4.2 Kelvin (4.5 degrees above absolute zero, ...) Is my understanding wrong (or out of date) or the article bad at this point? I thought the Kelvin scale was designed such that its base is absolute zero so 4.2 Kelvin would be 4.2 degrees above not 4.5? EDIT: Actually, looking at the num-pad on my keyboard, I'm now assuming that the "4.5" is simply a slip-of-the-finger typo rather than a mistake in understanding.