Latest Space News
Tue, 16 Jan 2018 12:00:24 +0000
The new president of Canadian space technology company MDA says he sees opportunities for growth both within the country and beyond, while maintaining the company’s Canadian roots as part of a larger, and increasingly American, company. SpaceNews.com
Mon, 15 Jan 2018 20:44:32 +0000
The SBIRS satellites are equipped with powerful scanning and staring infrared sensors that collect data for use by the U.S. military to detect missile launches. SpaceNews.com
Mon, 15 Jan 2018 18:55:15 +0000
The plan is to shift the current ground software architecture to an open-systems platform that the Air Force would own and update with new technology as it becomes available. SpaceNews.com
Mon, 15 Jan 2018 12:00:22 +0000
The successful launch of an Indian Polar Satellite Launch Vehicle (PSLV) Jan. 11 marked not just the return to flight of the rocket but also major achievements for several of the companies with payloads on board the vehicle. SpaceNews.com
Fri, 12 Jan 2018 21:37:32 +0000
China Great Wall Industry Corp. landed a new satellite order Jan. 11 on the back of a bilateral meeting between Chinese and Cambodian officials that included an agreement to increase trade between the countries. SpaceNews.com
Fri, 12 Jan 2018 20:43:46 +0000
An independent safety panel recommended NASA not certify SpaceX’s commercial crew system until the agency better understands the behavior of pressure vessels linked to a Falcon 9 failure in 2016. SpaceNews.com
Fri, 12 Jan 2018 15:58:11 +0000
Virgin Galactic conducted its first test flight of its SpaceShipTwo suborbital vehicle in more than five months Jan. 11 as the company prepares to begin powered test flights of the vehicle. SpaceNews.com
Fri, 12 Jan 2018 14:55:04 +0000
The PSLV lifted off from the Satish Dhawan Space Centre at 10:59 p.m. Eastern and placed into orbit a Cartosat 2 imaging satellite and 30 secondary payloads. SpaceNews.com
Fri, 12 Jan 2018 12:09:38 +0000
Rocket Lab announced Jan. 11 it plans to make another attempt to launch its Electron small rocket on its second mission later this month. SpaceNews.com
Thu, 11 Jan 2018 22:59:37 +0000
Pentagon officials on the Zuma space mission: 'We're not going to be able to give you any more information' SpaceNews.com
Thu, 11 Jan 2018 19:31:37 +0000
The U.S. Air Force is focused on information technology, cybersecurity and small satellites to enhance weather capabilities in the near term rather than a new generation of large, sophisticated spacecraft to replace the Defense Meteorological Satellite Program. SpaceNews.com
Thu, 11 Jan 2018 17:39:01 +0000
SpaceX has delayed its two commercial crew test flights by four months, according to a new NASA schedule released Jan. 11, raising questions about whether it or Boeing will be able to send astronauts to the International Space Station by the end of the year as previously planned. SpaceNews.com
Thu, 11 Jan 2018 16:35:22 +0000
NOAA's future constellation could include a mix of large government-owned and government-operated satellites, imaging instruments hosted on commercial satellites, small satellites in low Earth orbit and data purchased from commercial firms. SpaceNews.com
Thu, 11 Jan 2018 09:36:21 +0000
NASA announced Jan. 10 that it was renaming the Swift astronomy spacecraft after its former principal investigator, who passed away last year. SpaceNews.com
Thu, 11 Jan 2018 04:26:35 +0000
Spanish rocket startup PLD Space received 2 million euros ($2.4 million) from a European Commission grant program to further the development of a pair of launchers designed for small satellites. SpaceNews.com
Thu, 11 Jan 2018 03:46:29 +0000
Growing demand by terrestrial wireless firms threatens the federal government’s exclusive use of spectrum traditionally reserved for NOAA satellite broadcasts to emergency managers, meteorologists and researchers. SpaceNews.com
Wed, 10 Jan 2018 22:37:13 +0000
The U.S. National Oceanic and Atmospheric Agency may be able to slash the cost of transmitting data from its next generation of weather satellites by turning to commercial communications services. SpaceNews.com
Wed, 10 Jan 2018 21:22:06 +0000
The United States could soon be unpleasantly surprised as China continues to shore up its domestic capacity to produce high-end weapons, satellites and encryption technologies. SpaceNews.com
Wed, 10 Jan 2018 13:46:18 +0000
Spire Global, the San Francisco-based company that operates 48 GPS radio occultation cubesats, says it could provide a persistent view of about 97 percent of Earth with a constellation of 150 satellites. SpaceNews.com
Wed, 10 Jan 2018 11:18:30 +0000
A group of astronomers and engineers is seeking to convince NASA to study in-space servicing and assembly of future space telescopes, including the role the proposed Deep Space Gateway could play to support it. SpaceNews.com
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  • CV: Research Fellow

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    Personal information
     Name:<withheld>
     Age:<withheld>
     Country:<withheld>
     Location:<withheld>
    Contact information
     Email:<withheld>
     Phone:<withheld>
     Mobile:<withheld>
    Candidate Profile
     Date Submitted:08-07-2012
     Last Modified:09-07-2012 (09:39)
    Job information
     Current job:Research Fellow
     Employment Term:Temp/Contract
     Job location:Anywhere
     Date available:immediately
     Industry:
     KeywordsMSc. Physics, Astrophysics, Mathematics, Acoustics, Vibrations, Programmer
    CV
    PROFILE
     
    Date of birth: 23-05-1985 (Lisboa, Portugal)
     
     
    EDUCATION
     
    . Integrated Master (MSc) in Physics Engineering
    Instituto Superior Técnico, Lisboa, Portugal 2011
    Final mark (second cycle): 16/20
     
    Thesis: Acoustic Black Holes and Superresonant Mechanisms
    Supervisor: Vitor Cardoso
    Thesis mark: 19/20
    Thesis abstract:
    In this work we study an analogue model of gravity, referred to as acoustic black hole, which is based on the propagation of sound waves in supersonic fluids. We show that, considering certain constraints, there is a mathematical correspondence between fluid dynamics and a general relativistic lorentzian manifold.
    We extend the usual analogy of the rotating black hole to the case of a fluid with non-constant density.
    We study the geodesy of the motion of massless scalar fields around the considered analogue space-time, and find the absorption cross-section of the acoustic event horizon in the high frequency limit. We show the existence of superradiance in these analogues, and compute numerically the reflected amplitude of the scatter of a monochromatic wave. We compute numerically the absorption cross-section, finding an excellent agreement with the analytical result in the high frequency limit. Finally, we argue that it may be difficult to implement a fission-like process in the laboratory.
     
    . Università degli Studi di Padova, Padova, Italy 2008-2009
    ERASMUS program
     
    COMPLEMENTARY EDUCATION / OTHER EDUCATION
     
    . Course on Digital Photography (ESN-Padova) 2009
     
    . Centro Linguistico di Ateneo - Università degli Studi di Padova 2008-2009
    Italian course level A1
     
    . Course on Basic Life Support (Nebm/IST) 2007
     
    . EF Education First Language Courses 1999, 2000 and 2001
    Frequented summer schools of english language in England, in the cities of Dauntsey, Brighton and Torquay
     
    . Alliance Française 1996 and 1997
    Basic French course
     
     
     
    CONFERENCES ATTENDED / CONFERENCE PRESENTATIONS
     
    . Planck 2011, Instituto Superior Técnico, Lisboa, Portugal May/June 2011
     
    . Workshop and School on Higher Gauge Theory, TQFT and Quantum Gravity, Instituto Superior Técnico,
    Lisboa, Portugal February 2011
     
    . Black Hole Workshop III, Universidade do Minho, Braga, Portugal December 2010
    Presented a lecture on “Acoustic Black Holes And Superradiant Instabilities”
     
    . ICPS 2010 - International Conference of Physics Students, Graz, Austria August 2010
    Presented a lecture on “Acoustic Black Holes And Superresonant Instabilities”
     
    . Black Hole Workshop II, Instituto Superior Técnico, Lisboa, Portugal December 2009
     
    . PASC (Particle-ph, Astro-ph and Cosmology) Winter School, Sesimbra, Portugal December 2009
     
    . PASC (Particle-ph, Astro-ph and Cosmology) Winter School, Sesimbra, Portugal December 2007
     
     
    LIST OF PUBLICATIONS
     
    . On the dynamical behaviour of worn guitar strings, Miguel Marques, Octávio Inácio, Vincent Debut and José Antunes, to appear on the proceedings of the 19th International Congress on Sound and Vibration, 2012
    . Instability of Reissner-Nordstrom black holes in de Sitter backgrounds, Vitor Cardoso, Madalena Lemos and Miguel Marques, Physical Review D 80, 127502 (2009)
     
     
    WORKING POSITIONS
     
    . Grant for Scientific Initiation, FCT-Portugal, project - PTDC/FIS/103306/2008 “Dynamical analysis and improvements on the Portuguese guitar strings and string-body interaction”, with José Antunes (work currently in progress) 2011-2012
    Summary: In the context of this grant, I’ve developed a mathematical model for the dynamical behaviour of an archtop guitar with twelve strings (six pairs), wich are affected by the guitar frets, locally losing or gaining mass, and developed Matlab codes to obtain the “perturbed” normal modes of both string and
    body, and for dynamical simulations on the time-domain. This work is currently in progress, and one publication in a peer-review journal is expected.
     
    . Grant for Scientific Initiation, FCT-Portugal, project - PDTC/FIS/64175/2006 “Gravitational waves: emission and detection”, with Vitor Cardoso 2009-2010
    Summary: In the context of this grant, I’ve developed most of the work which is part of my master thesis. I’ve searched for superradiant instabilities in acoustic analogies of rotating black holes, and developed Mathematica and Fortran codes to compute scattering amplitudes of a massless scalar field, absorption
    cross-sections and the numerical integration of geodesic paths. I’ve also colaborated in a research were it was found an analytical prove of the existance of instabilities in charged black holes, in a de-Sitter background, for dimensions larger than 6.
     
     
     
    INFORMATIC SKILLS
     
    . Programming
    JAVA, Fortran 95, Mathematica, Matlab, Assembly
    . Text Processing
    LaTeX, Pages, Word
    . Data Processing
    Numbers, Origin, Excel
    . Presentation Software
    Keynote, PowerPoint
    . Operating Systems
    Mac OS, Microsoft Windows OS, Linux Ubuntu
     
     
    HOBBIES, SPORTS AND OTHER INTERESTS
     
    Science Divulgation:
    . Presented a workshop on stellar evolution (aimed to the general public), in the context of activities developed by NFIST (Physics Students Association Of The Instituto Superior Técnico) for the Astronomy International year 2009.
    . Collaborated (during the years between 2005-2008) with NFIST on the annual activity labeled “Physics Week”, which consists in presenting the general public and the high school students with many dozens of basic physics experiments.
    . Collaborated (during the years between 2005-2008) with NFIST on many planetarium public sessions.
    . Collaborated (during the years between 2005-2008) with NFIST on many astronomical observations public sessions.
     
    Sports:
    . Karate, Federated on the Portuguese Karate Federation and affiliated to the Japonese Karate-do Hayashi-Ha Shito-Ryu Kay Association 2000-2008, 2010-...
    . Kobudo, Affiliated to the Okinawa Kobudo Association 2002-2008, 2010-...
    . Swimming 1991-2003
    . Basketball, Federated on the Portuguese Basketball Federation 1996-1998
    . Judo, Federated on the Portuguese Judo Federation 1990-1995
     
    Musical Instruments:
    . Classical Guitar starting year 1999
    Has given classical guitar lessons in 2006-2008 and 2010-...
    Has experience of playing live
    . Electric Guitar starting year 2001
    Has experience of playing live
    . Portuguese Guitar starting year 2007
    Has experience of playing live
    . Saxophone starting year 2009
     
     
    Other activities and hobbies:
    . Moderator of the online “reuse” network Freecycle in Lisboa - www.freecycle.org
    . Amateur digital photography, with personal dSLR camera.


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