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Now showing items 31-40 of 263
A technoregulatory analysis of government regulation and oversight in the United States for the protection of passenger safety in commercial human spaceflight
(Massachusetts Institute of Technology, 2009)
Commercial human spaceflight looks ready to take off as an industry, with "space tourism" as its first application. Paying passengers are likely to begin taking suborbital spaceflights within the next several years, both ...
The MQ-9 Reaper remotely piloted aircraft : humans and machines in action
(Massachusetts Institute of Technology, 2011)
Remotely piloted aircraft and the people that control them are changing how the US military operates aircraft and those who fly, yet few know what "drone" operators actually do, why they do what they do, or how they shape ...
Minigrids for electrification : policies to promote industry growth
(Massachusetts Institute of Technology, 2018)
The International Energy Agency estimates $331 billion dollars will be invested over the next 12 years to provide energy access to the 1.1 billion people who currently lack access to reliable electricity service. Of the ...
Development of a public health information infrastructure for postmarket evidence
(Massachusetts Institute of Technology, 2009)
Postmarket data on prescription medical product performance has historically been incomplete, underutilized, and mismanaged to inform safety and comparative clinical effectiveness. Congress has tasked the Food and Drug ...
Knowledge production at the global frontier : the case of China
(Massachusetts Institute of Technology, 2009)
China is increasingly seen as a participant in the global knowledge economy, with recent studies have highlighted the rising number of scientists and engineers educated in Chinese institutions of higher education, and the ...
Forest fire management in Portugal : developing system insights through models of social and physical dynamics
(Massachusetts Institute of Technology, 2012)
Managing forest fires is a serious national problem in Portugal. Burned area has increased steadily over the past several decades, with particularly devastating years in 2003 and 2005. Ignitions also spike dramatically in ...
Integration and operation of post-combustion capture system on coal-fired power generation: load following and peak power
(Massachusetts Institute of Technology, 2012)
Coal-fired power plants with post combustion capture and sequestration (CCS) systems have a variety of challenges to integrate the steam generation, air quality control, cooling water systems and steam turbine with the ...
Risk assessment of groundwater contamination from hydraulic fracturing fluid spills in Pennsylvania
(Massachusetts Institute of Technology, 2012)
Fast-paced growth in natural gas production in the Marcellus Shale has fueled intense debate over the risk of groundwater contamination from hydraulic fracturing and the shale gas extraction process at large. While several ...
Evaluation of sleepiness in space robotics task performance and discussing sleep with high school students in a museum
(Massachusetts Institute of Technology, 2012)
Sleepiness impacts performance in all aspects of life. This thesis addresses the impact of sleepiness on astronauts and adolescents in their everyday tasks. The first part describes the results of an experiment assessing ...
Exploring design based wilderness education : a pedagogy to develop design thinking, an engineering science worldview, and leadership capacity
(Massachusetts Institute of Technology, 2015)
This study explores the experience of students during the implementation of a design-based wilderness education curricula. I introduce the concept of a curriculum that combines the pedagogies of design-based learning and ...