energy absorption characteristics
41Power scaling — of a laser is increasing its output power without changing the geometry, shape, or principle of operation. Power scalability is considered an important advantage in a laser design.Usually, power scaling requires a more powerful pump source,… …
42Bicycle helmet — A bicycle helmet is a helmet intended to be worn while riding a bicycle. They are designed to attenuate impacts to the skull of a cyclist in falls while minimizing side effects such as interference with peripheral vision.[1] There is an active… …
43Metal hydride fuel cell — Metal hydride fuel cells are a subclass of alkaline fuel cells that are currently in the research and development phase. A notable feature is their ability to chemically bond and store hydrogen within the cell. This feature is shared with direct… …
44Mean free path — In physics, the mean free path is the average distance covered by a moving particle (such as an atom, a molecule, a photon) between successive impacts (collisions) [1] which modify its direction or energy or other particle properties. Contents 1… …
45NASA Spinoff — Infobox Magazine image size = 160px image caption = Spinoff s 2007 cover title = Spinoff category = Science frequency = Annual publisher = National Aeronautics and Space Administration firstdate = 1976 country = USA language = English website =… …
46NASA spin-off — Science and technology in the United States African American contributions Discoveries …
47de Havilland Hornet — For the 1930s single engine cabin biplane see: de Havilland Hornet Moth D.H.103 Hornet Sea Hornet A de Havilland Ho …
48Photolithography — For earlier uses of photolithography in printing, see Lithography. For the same process applied to metal, see Photochemical machining. Photolithography (or optical lithography ) is a process used in microfabrication to selectively remove parts of …
49Dirichlet eigenvalue — In mathematics, the Dirichlet eigenvalues are the fundamental modes of vibration of an idealized drum with a given shape. The problem of whether one can hear the shape of a drum is: given the Dirichlet eigenvalues, what features of the shape of… …
50De Havilland Hornet — For the 1930 s single engine cabin biplane see: de Havilland Hornet Moth infobox Aircraft name = D.H.103 Hornet Sea Hornet type = Land and naval based fighter aircraft manufacturer = de Havilland caption = The de Havilland Hornet Mk 1 (F.1)(note… …
