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== Reaching Towards Absolute Zero ==
== Reaching Towards Absolute Zero ==
It is considered theoretically impossible to achieve absolute Zero, but scientists have come quite close. The first example of this occured in [[1908]] when [[Kammerlingh Onnes]] liquified [[Helium]]. The temperature he reached was approximately four Kelivn. Lower temperatures have been reached with different [[isotope|isotopes]] of Helium. A temperature of 0.3 Kelvin has been reached with <sup>3</sup>He. The lowest temperature ever reached by any substance was 280 picoKelvin.
It is considered theoretically impossible to achieve absolute Zero, but scientists have come quite close. The first example of this occured in [[1908]] when [[Kammerlingh Onnes]] liquefied [[Helium]]. The temperature he reached was approximately four Kelvin. Lower temperatures have been reached with different [[isotope|isotopes]] of Helium. A temperature of 0.3 Kelvin has been reached with <sup>3</sup>He. The lowest temperature ever reached by any substance was 280 picoKelvin.
== Sources ==
== Sources ==