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Browsing MIT Open Access Articles by Title

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  • Drifting Keys: Impersonation detection for constrained devices 
    Bowers, Kevin D.; Juels, Ari; Rivest, Ronald L.; Shen, Emily H. (Institute of Electrical and Electronics Engineers (IEEE), 2013-04)
    We introduce Drifting Keys (DKs), a simple new approach to detecting device impersonation. DKs enable detection of complete compromise by an attacker of the device and its secret state, e.g., cryptographic keys. A DK evolves ...
  • Driven Dynamics and Rotary Echo of a Qubit Tunably Coupled to a Harmonic Oscillator 
    Gustavsson, Simon; Bylander, Jonas; Yan, Fei; Forn-Diaz, P.; Bolkhovsky, Vladimir; Braje, Danielle A.; Fitch, George L.; Harrabi, Khalil; Lennon, Donna M.; Miloshi, J.; Murphy, P.; Slattery, Richard L.; Spector, Steven Jay; Turek, B.; Weir, Terence J.; Welander, Paul B.; Yoshihara, F.; Cory, David G.; Nakamura, Yasunobu; Orlando, Terry Philip; Oliver, William D. (American Physical Society, 2012-04)
    We have investigated the driven dynamics of a superconducting flux qubit that is tunably coupled to a microwave resonator. We find that the qubit experiences an oscillating field mediated by off-resonant driving of the ...
  • Driven electronic states at the surface of a topological insulator 
    Fregoso, Benjamin M.; Wang, Y. H.; Galitski, Victor; Gedik, Nuh (American Physical Society, 2013-10)
    Motivated by recent photoemission experiments on the surface of topological insulators we compute the spectrum of driven topological surface excitations in the presence of an external light source. We completely characterize ...
  • Driver behavior profiling: An investigation with different smartphone sensors and machine learning 
    Ferreira, Jair; Carvalho, Eduardo; Ferreira, Bruno V.; de Souza, Cleidson; Suhara, Yoshihiko; Pessin, Gustavo; Pentland, Alex Paul (Public Library of Science, 2017-04)
    Driver behavior impacts traffic safety, fuel/energy consumption and gas emissions. Driver behavior profiling tries to understand and positively impact driver behavior. Usually driver behavior profiling tasks involve automated ...
  • Driving Performance on the Descending Limb of Blood Alcohol Concentration (BAC) in Undergraduate Students: A Pilot Study 
    Tremblay, Mathieu; Gallant, François; Chiasson, Martine; Silvey, Dustin; Behm, David; Albert, Wayne J.; Johnson, Michel J.; Lavalliere, Martin (Public Library of Science, 2015-02)
    Young drivers are overrepresented in collisions resulting in fatalities. It is not uncommon for young drivers to socially binge drink and decide to drive a vehicle a few hours after consumption. To better understand the ...
  • Driving Sandpiles to Criticality and Beyond 
    Levine, Lionel; Fey, Anne; Wilson, David B. (American Physical Society, 2010-04)
    A popular theory of self-organized criticality relates driven dissipative systems to systems with conservation. This theory predicts that the stationary density of the Abelian sandpile model equals the threshold density ...
  • Drop impact and capture on a thin flexible fiber 
    Comtet, Jean; Keshavarz, Bavand; Bush, John W. M. (Royal Society of Chemistry, 2015-10)
    When a drop impacts a thin fiber, a critical impact speed can be defined, below which the drop is entirely captured by the fiber, and above which the drop pinches-off and fractures. We discuss here the capture dynamics of ...
  • Droplet activation, separation, and compositional analysis: laboratory studies and atmospheric measurements 
    Hiranuma, N.; Kohn, M.; Pekour, M. S.; Nelson, D. A.; Shilling, J. E.; Cziczo, Daniel James (Copernicus Publications on behalf of the European Geosciences Union, 2011-10)
    Droplets produced in a cloud condensation nuclei chamber (CCNC) as a function of supersaturation have been separated from unactivated aerosol particles using counterflow virtual impaction. Residual material after droplets ...
  • Droplet Breakup in Flow Past an Obstacle: A Capillary Instability Due to Permeability Variations 
    Protière, S.; Bazant, Martin Z.; Weitz, D. A.; Stone, H. A. (Institute of Physics Publishing, 2010-12)
    In multiphase flow in confined geometries an elementary event concerns the interaction of a droplet with an obstacle. As a model of this configuration we study the collision of a droplet with a circular post that spans a ...
  • Droplet Impingement and Wetting Hysteresis on Textured Hydrophobic Surfaces 
    Deng, Tao; Varanasi, Kripa; Paxson, Adam T; Smyth, Katherine M; Kwon, HyukMin (ASME International, 2010-08)
    We study the wetting energetics and wetting hysteresis of sessile and impacting water droplets on superhydrophobic surfaces as a function of surface texture and surface energy. Detailed experiments tracking contact line ...
  • Droplet mobility on lubricant-impregnated surfaces 
    Smith, Jonathan David; Dhiman, Rajeev; Anand, Sushant; Reza-Garduno, Ernesto; Cohen, Robert E.; McKinley, Gareth H.; Varanasi, Kripa K (Royal Society of Chemistry, The, 2012-12)
    Non-wetting surfaces containing micro/nanotextures impregnated with lubricating liquids have recently been shown to exhibit superior non-wetting performance compared to superhydrophobic surfaces that rely on stable air–liquid ...
  • Droplets bouncing on a wet, inclined surface 
    Gilet, Tristan; Bush, John W. M. (American Institute of Physics (AIP), 2012-12)
    We present the results of an experimental investigation of fluid drops impacting an inclined rigid surface covered with a thin layer of high viscosity fluid. We deduce the conditions under which droplet bouncing, splitting, ...
  • Drop-on-Demand Single Cell Isolation and Total RNA Analysis 
    Moon, Sangjun; Kim, Yun-Gon; Dong, Lingsheng; Lombardi, Michael; Haeggstrom, Edward; Jensen, Roderick V.; Hsiao, Li-Li; Demirci, Utkan (Public Library of Science, 2011-03)
    Technologies that rapidly isolate viable single cells from heterogeneous solutions have significantly contributed to the field of medical genomics. Challenges remain both to enable efficient extraction, isolation and ...
  • Drop propulsion in tapered tubes 
    Renvoise, P.; Bush, John W. M.; Prakash, Manu; Quere, D. (European Physical Society by EDP Sciences, IOP Publishing and Società Italiana di Fisica, 2009-07)
    We present the results of a combined experimental and theoretical investigation of the motion of wetting droplets in tapered capillary tubes. We demonstrate that drops may move spontaneously towards the tapered end owing ...
  • Drops bouncing on a vibrating bath 
    Bush, John W. M.; Molacek, Jan (Cambridge University Press, 2013-06)
    We present the results of a combined experimental and theoretical investigation of millimetric droplets bouncing on a vertically vibrating fluid bath. We first characterize the system experimentally, deducing the dependence ...
  • Drops walking on a vibrating bath: towards a hydrodynamic pilot-wave theory 
    Bush, John W. M.; Molacek, Jan (Cambridge University Press, 2013-06)
    We present the results of a combined experimental and theoretical investigation of droplets walking on a vertically vibrating fluid bath. Several walking states are reported, including pure resonant walkers that bounce ...
  • Dropwise Condensation of Low Surface Tension Fluids on Omniphobic Surfaces 
    Rykaczewski, Konrad; Paxson, Adam T.; Staymates, Matthew; Walker, Marlon L.; Sun, Xiaoda; Anand, Sushant; Srinivasan, Siddarth; McKinley, Gareth H.; Chinn, Jeff; Scott, John Henry J.; Varanasi, Kripa K. (Nature Publishing Group, 2014-03)
    Compared to the significant body of work devoted to surface engineering for promoting dropwise condensation heat transfer of steam, much less attention has been dedicated to fluids with lower interfacial tension. A vast ...
  • Dropwise Condensation on Micro- and Nanostructured Surfaces 
    Miljkovic, Nenad; Enright, Ryan; Alvarado, Jorge; Kwang, Kim; Rose, John (Taylor & Francis, 2014-03)
    In this review we cover recent developments in the area of surface- enhanced dropwise condensation against the background of earlier work. The development of fabrication techniques to create surface structures at the micro- ...
  • Drosophila comes of age as a model system for understanding the function of cytoskeletal proteins in cells, tissues, and organisms 
    Rodal, Avital A.; Del Signore, Steven J.; Martin, Adam C (John Wiley & Sons, Inc., 2015-05)
    For the last 100 years, Drosophila melanogaster has been a powerhouse genetic system for understanding mechanisms of inheritance, development, and behavior in animals. In recent years, advances in imaging and genetic tools ...
  • Drosophila Embryonic Cell-Cycle Mutants 
    Unhavaithaya, Yingdee; Park, Eugenia A.; Royzman, Irena; Orr-Weaver, Terry L. (Genetics Society of America, 2013-08)
    Nearly all cell division mutants in Drosophila were recovered in late larval/pupal lethal screens, with less than 10 embryonic lethal mutants identified, because larval development occurs without a requirement for cell ...
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