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36 mins
ILP Video

Chemical Sensors with Ultra-Low Cost and Power Requirements -- Track 3

Timothy Swager
John D. MacArthur Professor of Chemistry
MIT Department of Chemistry
This lecture will detail the creation of ultrasensitive sensors based on electronically active conjugated polymers (CPs) and carbon nanotubes (CNTs). A central concept that a single nano- or molecular-wire spanning between two electrodes would create an exceptional sensor if binding of a molecule of interest to it would block all electronic transport. The use of molecular electronic circuits to give signal gain is not limited to electrical transport and CP-based fluorescent sensors can provide untratrace detection of chemical vapors via amplification resulting from exciton migration. Nanowire networks of CNTs provide for a practical approximation to the single nanowire scheme. These methods include abrasion deposition and selectivity is generated by covalent and/or non-covalent binding selectors/receptors to the carbon nanotubes. Sensors for a variety of materials and cross-reactive sensor arrays will be described. The use of carbon nanotube based gas sensors for the detection of ethylene and other gases relevant to agricultural and food production/storage/transportation are being specifically targeted and can be used to create systems that increase production, manage inventories, and minimize losses.
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37 mins
ILP Video

Disrupting the Supply Chain in K Fertilizer: from Raw Materials to New Products -- Track 3

Antoine Allanore
Thomas B King Assistant Professor of Metallurgy
MIT Department of Materials Science and Engineering
One solution to the food challenge is the intensification of crop production in the Global South, where the lack of cost-effective fertilizers currently lead to low yield and a depletion of soils from their essential nutrients. This situation is particularly alarming for potassium (K). Southern hemisphere countries largely depend on potassium fertilizers produced from potash mined in northern hemisphere countries, and on products designed for the northern hemisphere soils. Our laboratory, in collaboration with a mining company and agronomist experts in tropical soil, has developed a novel process to transform K-feldspar, an abundant raw material, into a new fertilizing product. This cost-driven development offers an alternative K source that can be mined, transformed and produced in tropical regions, for tropical soils. Such developments are particularly important for Brazil, China or India, where the development of conventional potash is currently cost-prohibitive.
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49 mins
ILP Video

Platform Revolution: How Networked Markets Are Transforming the Economy

Marshall Van Alstyne
Professor, Department of Management Information Systems, Boston University
Visiting Scientist, MIT Sloan School of Management
Facebook, PayPal, Alibaba, Uber — these seemingly disparate companies have upended entire industries by harnessing a single phenomenon: the platform business model. In the face of the platform revolution, assumptions about operations, finance, strategy, and innovation all change. Exploring the what, how, and why of this revolution reveals the strategies behind some of today’s rising platforms and explains how entrepreneurs and traditional companies — in businesses as diverse as shoes, spices, dating, energy, home appliances, and education — can thrive in this new world.
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51 mins
ILP Video

The Railway Industry as Social Infrastructure

Masaki Ogata
Vice Chairman and Executive Vice President of Technology & Overseas Related Affairs
East Japan Railway Company
As the backbone of many public transit systems, railway infrastructure creates opportunities to foster social engagement and spur regional economic growth. In addition to operating trains, JR East also manages station space utilization and administers a micropayment business. Diversifying into these ventures in the face of rapidly changing markets has been accomplished through innovations in management and technology. Ongoing demographic and globalization trends demand continued sustainable innovation in transportation in order to grow the company, improve customer satisfaction, and increase social impact.
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41 mins
ILP Video

CyberSecurity@CSAIL, Fixing Things the Right Way

Howard Shrobe
Principal Research Scientist
Associate Director, Computer Science and Artificial Intelligence Lab (CSAIL)
Director, MIT/Hewlett-Packard Alliance
MIT Computer Science and Artificial Intelligence Laboratory
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