difficult+of+fusion
41Physical Sciences — ▪ 2009 Introduction Scientists discovered a new family of superconducting materials and obtained unique images of individual hydrogen atoms and of a multiple exoplanet system. Europe completed the Large Hadron Collider, and China and India took… …
42Fusor — The Farnsworth–Hirsch Fusor, or simply fusor, is an apparatus designed by Philo T. Farnsworth to create nuclear fusion. It has also been developed in various incarnations by researchers including Elmore, Tuck, and Watson, and more lately by… …
43Spondylolisthesis — Not to be confused with spondylosis, spondylitis, or spondylolysis. Spondylolisthesis Classification and external resources X ray of the lateral lumbar spine with a grade III spondylolisthesis at the L5 S1 level …
44Optical fiber — A bundle of optical fibers A TOSLINK fiber optic audio c …
45Nuclear power debate — For nuclear energy policies by nation, see Nuclear energy policy. For public protests about nuclear power, see Anti nuclear movement. Three of the reactors at Fukushima I overheated, causing meltdowns that eventually led to hydrogen explosions,… …
46Metroid: Other M — Metroid: Other M …
47Lawson criterion — In nuclear fusion research, the Lawson criterion, first derived on fusion reactors (initially classified) by John D. Lawson in 1955 and published in 1957,[1] is an important general measure of a system that defines the conditions needed for a… …
48List of Yu-Gi-Oh! cards — The following is a list of notable cards that are in the Yu Gi Oh! Trading Card Game. The cards listed are notable for their relevance to the anime and manga of the same name, its three spin off series, Yu Gi Oh! GX, Yu Gi Oh! 5D s, and Yu Gi Oh! …
49star — starless, adj. /stahr/, n., adj., v., starred, starring. n. 1. any of the heavenly bodies, except the moon, appearing as fixed luminous points in the sky at night. 2. Astron. any of the large, self luminous, heavenly bodies, as the sun, Polaris,… …
50Nobel Prizes — ▪ 2009 Introduction Prize for Peace The 2008 Nobel Prize for Peace was awarded to Martti Ahtisaari, former president (1994–2000) of Finland, for his work over more than 30 years in settling international disputes, many involving ethnic,… …
