Not completed it yet, but I gather due to the picture behind, it is something to do with NMR environments. I gather Hydrogen environments, as for the top row there are two in each (and 2x2x2 =8).
Let us know if you have any success!
The Challenge - 1948 was released on: USA: 2 April 1948 (Los Angeles, California)
The Rifleman - 1958 The Challenge 1-28 was released on: USA: 7 April 1959
Food Network Challenge - 2003 Challenge Reno Rib Cook-off 1-8 was released on: USA: 15 April 2005
TMC Alaskan Adventure Challenge - 2009 TV was released on: USA: 12 April 2009
Real World Road Rules Challenge - 1998 Extreme Challenge Good Intentions 4-14 was released on: USA: 24 April 2001
10th April 1858
it was dedicated on April 13, 1943
The Challenge - 1948 was released on: USA: 2 April 1948 (Los Angeles, California)
10th April. The tower was completed on 10th April 1858
Eco-Challenge Australia - 1998 was released on: USA: 19 April 1998
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One Man's Challenge - 1962 was released on: USA: 3 April 2012 (internet)
OMG me i am also called April :)
Eco-Challenge Fiji Islands - 2003 was released on: Canada: 21 April 2003 USA: 5 May 2003 Hungary: 20 April 2005
Food Network Challenge - 2003 Challenge Wedding Cake Classic 1-11 was released on: USA: 5 April 2005
Food Network Challenge - 2003 Challenge Incredible Edible Mansions 2-7 was released on: USA: 23 April 2006
Food Network Challenge - 2003 Challenge Build a Better Burger 1-10 was released on: USA: 2 April 2005