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Space-based laser guide stars for astronomical observatories
(Massachusetts Institute of Technology, 2020)
The Laser Guide Star (LGS) concept is proposed to enable reductions in cost of next-generation space telescopes, by providing reference targets (as bright as apparent magnitude -7) to enable wavefront stability and control ...
Reorienting machine learning education towards tinkerers and ML-engaged citizens
(Massachusetts Institute of Technology, 2020)
Artificial intelligence (AI) and machine learning (ML) technologies are appearing in everyday contexts, from recommendation systems for shopping websites to self -riving cars. As researchers and engineers develop and apply ...
Technology and applications of 2D materials in micro- and macroscale electronics
(Massachusetts Institute of Technology, 2020)
Over the past 50 years, electronics has truly revolutionized our lives. Today, many everyday objects rely on electronic circuitry from gadgets such as wireless earbuds, smartphones and laptops to larger devices like household ...
Essays on status recognition and its consequences for top-talent mobility and productivity
(Massachusetts Institute of Technology, 2020)
Organizations increasingly rely on status recognition to motivate members toward higher performance. Yet status recognition inevitably invites social comparisons. Although research in organization theory and strategy has ...
Asymptotic description of the formation of black holes from short-pulse data
(Massachusetts Institute of Technology, 2020)
In this thesis we present partial progress towards the dynamic formation of black holes in the four-dimensional Einstein vacuum equations from Christodoulou's short-pulse ansatz. We identify natural scaling in a putative ...
The effect of financial reporting on strategic investments : evidence from purchase obligations
(Massachusetts Institute of Technology, 2020)
I examine whether mandating the disclosure of investments influences firms' strategic interactions. I exploit an SEC regulation requiring firms to report off-balance sheet purchase obligations, such as commitments to ...
Cyanobacterial evolution and interactions with the Proterozoic world
(Massachusetts Institute of Technology, 2020)
Our understanding of the biosphere prior to the rise of complex life is built largely upon microbial mat structures and some exceptionally well-preserved microbial fossils from the Proterozoic (2500 to 540 million years ...
Tritium retention in nuclear graphite, system-level transport, and management strategies for the fluoride-salt-cooled high-temperature reactor
(Massachusetts Institute of Technology, 2021)
Advanced reactor concepts which use a lithium- or beryllium-bearing primary salt coolant will require technical solutions to mitigate the environmental release of tritium. One such design is the Fluoride-Salt-Cooled ...
An optofluidic platform for longitudinal circulating tumor cell studies in mouse models of cancer
(Massachusetts Institute of Technology, 2020)
Metastasis is a complex, multi-step process that is responsible for over 90% of cancer-related deaths. Circulating tumor cells (CTCs) that are shed from primary tumors represent the disseminating "seeds" that give rise to ...
Surface plasmon enhanced fluorescence for biological imaging : from visible to short-wave infrared
(Massachusetts Institute of Technology, 2020)
Fluorescence imaging offers high spatio-temporal resolution, low radiation dosage exposure, and low cost among all the available imaging modalities, for example, magnetic resonance imaging, computerized tomography and ...