cross-field [cross-pumped] laser
51Harvard School of Engineering and Applied Sciences — Infobox University name = Harvard School of Engineering and Applied Sciences established = 1847, as the Lawrence Scientific School type = Private dean= Venkatesh Venky Narayanamurti city = Cambridge state = Massachusetts country = USA students =… …
52Smart grid — Public infrastructure …
53Nuclear weapon design — The first nuclear weapons, though large, cumbersome and inefficient, provided the basic design building blocks of all future weapons. Here the Gadget device is prepared for the first nuclear test: Trinity. Nuclear weapon designs are physical,… …
54Cloud seeding — can be done by ground generators, plane, or rocket (not shown). Cloud seeding, a form of intentional weather modification, is the attempt to change the amount or type of precipitation that falls from clouds, by dispersing substances into the air… …
55biology — /buy ol euh jee/, n. 1. the science of life or living matter in all its forms and phenomena, esp. with reference to origin, growth, reproduction, structure, and behavior. 2. the living organisms of a region: the biology of Pennsylvania. 3. the… …
56Idaho National Laboratory — Coordinates: 43°32′00″N 112°56′41″W / 43.533429°N 112.94486°W / 43.533429; 112.94486 …
57Nuclear thermal rocket — Sketch of nuclear thermal rocket …
58Batmobile — For the psychobilly group, see Batmobile (band). For the European Touring Car Championship racing car of the 1970s, see BMW E9. Batmobile An early depiction of the Batmobile. Publication information …
59Stars and planetary systems in fiction — The planetary systems of stars other than the Sun and the Solar System are a staple element in much science fiction. Contents 1 Overview 1.1 The brightest stars …
60Nuclear 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,… …
