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Now showing items 11-20 of 56
TGA-MS studies of the pyrolysis of corn stover for charcoal production
(Massachusetts Institute of Technology, 2016)
More than two billion people worldwide rely on wood-based fuels for their daily energy needs, which can produce toxic atmospheric contaminants and cause environmental degradation. MIT D-Lab addresses this challenge with ...
Documentation and analysis of avocado oil extraction technologies in Leguruki, Tanzania
(Massachusetts Institute of Technology, 2016)
A team of MIT students and researchers as well as a local team in Leguruki, Tanzania has been working on extracting oil from excess supplies of avocados since 2014 with the goal of adapting oil extraction methods to ...
Simplifying tea steeping : design innovation driven by user needs
(Massachusetts Institute of Technology, 2016)
An affordable appliance was designed to make steeping a "perfect" cup of loose leaf tea easy and less labor intensive for the user. A survey of 235 people, primarily millennials between the ages of 18-27, was conducted to ...
Characterization of the robustness of superhydrophobic surfaces during condensation
(Massachusetts Institute of Technology, 2016)
Condensation is a process utilized by about 85% of power plants in their power generation cycles. Superhydrophobic surfaces can potentially improve the heat transfer due to condensation when compared to the untreated ...
Substitution or revolution? : an empirical analysis of the relationship between ICT and protests
(Massachusetts Institute of Technology, 2016)
Have cell phones and the Internet created a revolution in the way that protests are organized? Or are they merely a substitution for previous methods of communication? The literature on the topic is divided between the ...
Comparison of user metabolic efficiency between traditional and spring assisted leveraged freedom chair models
(Massachusetts Institute of Technology, 2016)
Tests were performed to determine how the use of an elastic energy storage mechanism on the Leveraged Freedom Chair would affect the rider's metabolic efficiency. For this test, elastic bands were attached to the levers, ...
Design, development, and characterization of an experimental device to test torsion-controlled fracture of thin brittle rods
(Massachusetts Institute of Technology, 2016)
As research continues to uncover the many different physical properties of meso- and microscale materials, it becomes more evident that these materials often behave in counterintuitive ways. Characterizing unique phenomena ...
Effectiveness of grips at minimizing vibrations during field hockey hits
(Massachusetts Institute of Technology, 2016)
An experiment was carried out in order to determine the frequencies experienced in two locations on the stick during two different field hockey hits, the push and the strike. The results from these experiments showed that ...
Forces and time delay due to impact with gates in ski racing
(Massachusetts Institute of Technology, 2016)
In an effort to better understand impacts with gates during ski racing competition, on-snow measurements and observations were made of both standard gates and inflatable gates. These observations highlighted the importance ...
Ghanaian entrepreneurship and innovation
(Massachusetts Institute of Technology, 2016)
This study explores local innovation and entrepreneurship in Ghana. It presents the results of 28 in-person interviews with Ghanaian entrepreneurs who live and work in four cities across Ghana. The interviews detailed the ...