Fifty Recent Colloquia

Using Cat States in a Microwave Cavity for Quantum Information2015-06-03

  • Schoelkopf, Robert
  • Dramatic progress has been made in the last decade and a half towards realizing solid-state systems for quantum information processing with superconducting quantum circuits. Artificial atoms (or qubi ... [MORE]

Fracking - Evil Scourge or Game-Changing Technology?2015-05-27

  • Veil, John
  • This seminar will describe the size and scope of the U.S. oil and gas industry, and what impact oil and gas production using hydraulic fracturing has made on domestic and international energy supply. ... [MORE]

Fast Radio Bursts - the Story So Far2015-05-20

  • Lormier, Duncan
  • I will describe a brief history of discovery and some exciting recent developments in the world of pulsars and fast radio bursts. Pulsars, rapidly rotating highly magnetized neutron stars, were disco ... [MORE]

Early Results from the MAVEN Mission to Mars2015-05-06

  • Jakosky, Bruce
  • The Mars Atmosphere and Volatile Evolution (MAVEN) spacecraft has been orbiting Mars since 21 September 2014 and collecting data in science mode since 16 November 2014. The science objectives of the ... [MORE]

Eta Carinae: Astrophysical Laboratory for the Study of the Most Massive Stars2015-04-15

  • Gull, Theodore
  • Eta Carinae has fascinated astronomers since brightening in the 1840s to rival Sirius but then fading to the unaided eye. Today the Homunculus, a massive, dusty, molecular bipolar shell expands outwa ... [MORE]

Measuring the Universe2015-04-08

  • Lawrence, Charles
  • In less than a century we have advanced from knowing almost nothing about the Universe as a whole to measuring it with exquisite precision. In this process, the cosmic microwave background has played ... [MORE]

Coronal Mass Ejections: from a Novelty to a Natural Hazard2015-04-01

  • Gopalswamy, Nat
  • Coronal mass ejections (CMEs) were discovered only in 1971, but there were indications of such mass ejections starting from the late 1800s. Only in the 1990s it was realized that CMEs are the primary ... [MORE]

Living Fossils2015-03-25

  • Werth, Alexander
  • Charles Darwin first coined the term "living fossil" to describe archaic forms, including lungfishes and horseshoe crabs, which seem not to have changed since their appearance in the fossil record hu ... [MORE]

The Future of Cancer Research2015-03-11

  • Gottesman, Michael
  • Enormous progress has been made in the past three decades in defining the molecular and genetic basis of cancer and in understanding the "hallmarks of cancer" that are the basis of its pathophysiolog ... [MORE]

Let it Rain and Snow: A Year of Global Precipitation Measurement (GPM) Mission Data2015-03-04

  • Skofronick-Jackson, Gail
  • Water is fundamental to life on Earth. Knowing where and how much rain and snow fall globally is vital to understanding how weather and climate impact our Earth's water and energy cycles. The Global ... [MORE]

Desert Worlds: the Dry Limit for Life2015-02-11

  • Diruggiero, Jocelyne
  • Microorganisms have inhabited the Earth for 3.4 billion years of its history, and they are key for the evolution of its major geochemical cycles and the composition of its atmosphere. Planets and moo ... [MORE]

Engineering at NASA HQ2015-02-10

  • Hyde, Tupper
  • I served as the Chief Engineer for the Science Mission Directorate (SMD) at NASA HQ for two plus years and have recently returned to Goddard. I thought the SE interest community at Goddard would be i ... [MORE]

Dead Dinosaurs and Nuclear Wars2015-01-28

  • Toon, Owen Brian
  • Sixty six million years ago a mountain sized chunk of rock traveling at more than 10 times the muzzle velocity of an assault rifle, slammed into the shallow sea covering what is now the Yucatan Penin ... [MORE]

Saturn's Icy Satellites2015-01-21

  • Spencer, John
  • In its ten years in Saturn orbit, NASA's Cassini mission has fleshed out our previous rudimentary knowledge of Saturn's satellites to provide a comprehensive picture of these remarkably diverse world ... [MORE]

Earth's Unique Continents2015-01-07

  • Rudnick, Roberta
  • The Earth is the only planet in our solar system with continents. Continents provide the habitat in which our species evolved, as well as the sustenance we need to survive. Yet how continents form, a ... [MORE]

Risk Classification and Risk-based Safety and Mission Assurance2014-12-15

  • Leitner, Jesse
  • Recent activities to revamp and emphasize the need to streamline processes and activities for Class D missions across the agency have led to various interpretations of Class D, including the lumping ... [MORE]

Geeks, Hacker Culture, and Anonymous2014-12-10

  • Coleman, Gabriella
  • Drawing on fieldwork among Free and Open Source software hackers and the Anonymous protest movement, I will discuss some attributes of hacker and geek activism that set their actions apart from other ... [MORE]

Seeing Other Earths: Progress in Technologies for Imaging Extrasolar Rocky Planets from Space2014-12-08

  • Kasdin, Jeremy
  • With the combined results of radial velocity surveys and Kepler, we now know that there is an abundance of planets, particularly small, rocky planets. These data provide tantalizing hints that there ... [MORE]

An overview of the Center for Hybrid Multicore Productivity Research (CHMPR) at UMBC2014-12-03

  • Yesha, Yelena
  • The Center for Hybrid Multicore Productivity (CHMPR) has been a part of the National Science Foundation (NSF) Industry and University Cooperative Research Center (I/UCRC) Program since 2009. Currentl ... [MORE]

Liquid Natural Gas in the United States: A History2014-12-01

  • Hrastar, John
  • When natural gas was first discovered in Appalachia in the 19th century, its development was slow at first because it couldn't be moved easily. Unlike oil and coal, gas could be moved only by pipelin ... [MORE]

The Science and Exploration of Europa2014-11-19

  • Procktor, Louise
  • Jupiter's moon Europa has proved to be the most enigmatic of water worlds - it likely contains a deep salty ocean beneath its youthful ice crust, and may have conditions conducive to life. This talk ... [MORE]

Nuclear Rockets for the Future2014-11-17

  • Eberstein, Igor
  • This talk will describe a nuclear powered spaceship for use in traveling to Mars. The ship would be assembled in Earth orbit. At first, the ship would be used at first for commuting between the orbit ... [MORE]

How the Search for MH370 Reveals the Ubiquity (and Limitations) of Surveillance from Space2014-11-12

  • McDowell, Jonathan
  • When the Malaysian airliner MH370 went missing in March 2014,a wide range of spaceborne assets took part in the extensive search from wreckage. The public were surprised when orbiting satellites fail ... [MORE]

Cyber Security2014-11-12

  • Butler, Bill
  • Our collective privacy and data security are being challenged in many surprising and alarming ways. Despite our individual and corporate efforts to protect this data we are falling short. This talk i ... [MORE]

Life of a Snowflake2014-11-05

  • Johnson, Ben
  • The humble snowflake, oft noted for its unparalleled beauty and elegance, also plays a critical role in ensuring our continued survival as a species. Falling snow is a truly global phenomenon -- and ... [MORE]

Cloud Computing2014-11-05

  • Bohn, Robert
  • Cloud computing is a model for enabling convenient, on-demand network access to a shared pool of configurable computing resources (e.g., networks, servers, storage, applications, and services) that c ... [MORE]

A Celebration of Fifty Years of Satellite Laser Ranging2014-10-29

  • Degnan, John
  • In Satellite Laser Ranging (SLR), a short laser pulse is transmitted from a ground station to an orbiting satellite and reflected back to the station, which measures the roundtrip time of flight and ... [MORE]

How to Bootstrap Technology: Building an Ocean-Going Polynesian Canoe from Scratch2014-10-20

  • Herman, Douglas
  • The settling of the Island Pacific more than 1,000 years ago is one of the greatest adventures of human history. Using double-hulled voyaging canoes built with Stone-Age tools and navigating by stars ... [MORE]

The End Fate of Our Solar System2014-10-15

  • Kalirai, Jason
  • Like humans, stars are born, they evolve, and eventually they die. For most stars, the stellar life cycle is dominated by quiescent phases such as the hydrogen-burning stage (e.g., our Sun today) and ... [MORE]

Towards a Reference Architecture for Archival Systems: Use Case with Product Data2014-10-15

  • Barbau, Raphael
  • Long-term preservation of product data is imperative for aerospace, aeronautics, shipbuilding, and other industries. A product data archive description should include the business functions the archi ... [MORE]

See the Ball, Be the Ball: How to Find and Characterize Planets Beyond our Solar System2014-10-08

  • McElwain, Michael
  • New technologies enable the detection and characterization of potentially habitable worlds around other stars, and recent scientific studies define a framework that can be used to confirm (or refute) ... [MORE]

Overview of the MAVEN mission, its development challenges, and current project status as we fly around the Red Planet (and dodge comets)2014-10-07

  • Houghton, Martin
  • The Mars Atmosphere and Volatile Evolution (MAVEN) mission was selected by the National Aeronautics and Space Administration in 2008 for development as the second Mars Scout mission. The mission laun ... [MORE]

Manufacturing, Actuation, Sensing, and Control for Robotic Insects2014-10-06

  • Wood, Robert
  • As the characteristic size of a flying robot decreases, the challenges for successful flight revert to basic questions of fabrication, actuation, fluid mechanics, stabilization, and power - whereas s ... [MORE]

Chlorinated Organics in a Gale Crater Mudstone and the Imprint of an Ancient Fluvial Environment in 3 Billion Year Old Water Found in a 4 Billion Year Old Martian Rock2014-10-01

  • Mahaffy, Paul
  • One Mars year after landing the one-ton Curiosity Rover in Gale Crater, Mars continues to surprise. Data from the Goddard Sample Analysis at Mars (SAM) experiment combined with that from the Alpha Pa ... [MORE]

Invisibility, the Theory and Practice, or A Sufficiently Advanced Science Can Be Even Better Than Magic!2014-09-29

  • Ashmead, John
  • We'll look at the history, theory, and practice of invisibility. We'll start with Wells's The Invisible Man (which has some surprisingly accurate physics); look at the uses of invisibility in war an ... [MORE]

Brilliant Blunders2014-09-23

  • Livio, Mario
  • Even the greatest scientists have made some serious blunders. "Brilliant Blunders" concerns the evolution of life on Earth, of the Earth itself, of stars, and of the universe as a whole. In this talk ... [MORE]

Tragedy to Triumph - Rebuilding the Majestic Roundhouse at the B and O Railroad Museum2014-09-22

  • Coleman, Pamela S.
  • The presentation will cover a brief history of the B and O Railroad Museum, an overview of the Museum campus, the original construction of the Roundhouse and previous renovations to the historic fabr ... [MORE]

Overview of JPSS GRAVITE system2014-09-17

  • Jain, Peyush
  • The Joint Polar Satellite System (JPSS) is the Nation's next-generation operational environmental satellite system that acquires and distributes global environmental data from multiple polar-orbiting ... [MORE]

SpaceCube High Performance Hybrid Data Space Processing System2014-09-17

  • Petrick, David
  • The purpose in building the SpaceCube v2.0 system is to create a superior high performance, reconfigurable, hybrid data processing system that can be used in a multitude of applications including tho ... [MORE]

NASA GSFC Containerized Computing2014-09-17

  • Keller, Keith
  • Modular, containerized data centers offer the potential for agile and green, cost effective computing infrastructure. Goddard has a containerized computing facility (building 28D) that is used as a b ... [MORE]

DiskDetective.org: Finding Planetary Systems through Citizen Science2014-09-17

  • Kuchner, Marc
  • The Disk Detective project is scouring the data archive from NASA's WISE all-sky survey to find new debris disks and protoplanetary disks. Volunteers on this new citizen science website have already ... [MORE]

Evaluating Alternative Sources of Energy: Solar Energy from Space2014-09-15

  • Jaffe, Paul
  • Global warming has focused attention on alternative energy sources that have lower carbon emissions versus conventional energy sources. For decades, proponents of Space Solar Power have advocated for ... [MORE]

Improving the Design Process of the REgolith X-ray Imaging Spectrometer (REXIS) with Model-Based Systems Engineering (MBSE)2014-09-15

  • Chodas, Mark
  • Model-based systems engineering (MBSE) is a new systems engineering paradigm where system models instead of documents are used to track requirements, describe design, support trade studies and analys ... [MORE]

New Developments in Orbital Debris Prevention and Protection2014-07-01

  • Hull, Scott
  • Orbital Debris has received increased attention lately among NASA missions, international space agencies, and even Hollywood. How much debris is really out there, where is it worst, and what can be d ... [MORE]

10 Years of Infrared Exploration with the Spitzer Space Telescope2014-06-13

  • Werner, Michael
  • In March of 2004, within a few months of the start of the scientific mission of the Spitzer Space Telescope, I talked here at GSFC about the scientific results that were only just starting to emerge ... [MORE]

Satellite Geodesy and NASA Earth Remote Sensing Missions2014-06-06

  • Luthcke, Scott B.
  • NASA's Earth remote sensing satellite missions have achieved significant scientific successes and have benefited society in numerous ways. Typically each mission has a sensor instrument or a suite of ... [MORE]

Latest Results from Voyager 1 Observation in the Very Local Interstellar Medium2014-05-30

  • Hill, Matthew
  • Voyager 1 (V1) traveled into a region of space dominated by interstellar particles and a high magnetic field strength in August 2012. Whether V1 crossed a traditional heliopause or some other sort of ... [MORE]

Tracing Human Migration using Genetic Markers2014-05-19

  • Schanfield, Moses
  • Of all species on the face of the earth, humans are the most disperse, in that they occupy the most diverse eco-systems, present on all large land masses and most large islands. In recent time much w ... [MORE]

The Great Transition: Shifting from Fossil Fuels to Wind and Solar Energy2014-05-16

  • Brown, Lester
  • As oil insecurity deepens, the extraction risks of fossil fuels rise, and concerns about climate instability cast a shadow over the future of coal, a new world energy economy is emerging. The old eco ... [MORE]