Latest Space News
Wed, 23 Oct 2019 14:21:06 +0000
NanoRacks is preparing to conduct a brief but critical test in late 2020 of a technology it will need to turn rocket second stages into Nanoracks Space Outposts. SpaceNews.com
Wed, 23 Oct 2019 14:01:18 +0000
Voyager Space Holdings, a company recently established to serve as a holding company and long-term funding source for space startups, has acquired its first company, space technology firm Altius Space Machines. SpaceNews.com
Wed, 23 Oct 2019 14:01:17 +0000
Maxar Technologies and Thales Alenia Space abandoned plans to jointly compete to build Telesat’s low-Earth-orbit broadband constellation, setting up a now three-way race for a multibillion-dollar contract expected to be awarded soon.  SpaceNews.com
Wed, 23 Oct 2019 10:06:25 +0000
Agreements with NASA and the European Space Agency are the latest steps by the government of Luxembourg to support its emerging space resources industry. SpaceNews.com
Wed, 23 Oct 2019 09:56:10 +0000
A venture linked to a former space mining company announced Oct. 21 a very different project, using blockchain technology to provide crowdsourced space situational awareness (SSA) data. SpaceNews.com
Tue, 22 Oct 2019 23:02:16 +0000
White House officials have asked DoD to prepare a detailed public communications plan for the new branch. SpaceNews.com
Tue, 22 Oct 2019 22:19:21 +0000
Entrepreneurs and international government agencies will play important roles in NASA’s future lunar exploration, according to speakers at the 2019 International Astronautical Congress here. SpaceNews.com
Tue, 22 Oct 2019 19:27:31 +0000
The goal is to complete six to eight Starlink launches to get sufficient coverage to start offering the service to consumers in 2020. SpaceNews.com
Tue, 22 Oct 2019 17:28:22 +0000
Arianespace CEO Stéphane Israël said the Ariane 6 rideshare mission will be able to deliver 8,500 kilograms into a lunar transfer orbit. SpaceNews.com
Tue, 22 Oct 2019 14:24:54 +0000
Fred Kennedy spoke with SpaceNews about leaving the Space Development Agency, his public clash with Air Force leaders at the 2019 Space Symposium and his future plans. SpaceNews.com
Tue, 22 Oct 2019 12:55:33 +0000
Blue Origin is joining forces with three other major aerospace firms in a “national team” to develop a human lunar lander for NASA. SpaceNews.com
Tue, 22 Oct 2019 12:32:15 +0000
Noosphere Venture Partners is taking another step toward its goal of creating a vertically integrated space powerhouse. SpaceNews.com
Mon, 21 Oct 2019 21:53:36 +0000
Leaders of several national space agencies endorsed continued cooperation in space exploration, including missions to the moon, and said that effort should not come into conflict with separate work to address climate change. SpaceNews.com
Mon, 21 Oct 2019 20:42:15 +0000
The European Space Agency will ask its 22 member states to fund an additional two to eight Prometheus reusable engines so that the agency can further its development. SpaceNews.com
Mon, 21 Oct 2019 16:58:42 +0000
Potential customers include partner countries of the U.S. government's WGS constellation. SpaceNews.com
Mon, 21 Oct 2019 15:52:32 +0000
Vice President Mike Pence told an international audience that the United States intends to lead in space but seeks cooperation in space exploration with “freedom-loving” nations. SpaceNews.com
Mon, 21 Oct 2019 15:00:13 +0000
After years of secrecy, Umbra Lab is revealing details of its plan to launch a constellation of 50-kilogram synthetic aperture radar satellites to capture imagery with a resolution of 25 centimeters. SpaceNews.com
Mon, 21 Oct 2019 13:46:07 +0000
Airstream, maker of the iconic “silver bullet” travel trailer, unveiled Astrovan II, an eight-seat transport vehicle Boeing will use to transport commercial crew astronauts to the CST-100 Starliner’s Cape Canaveral, Florida, launchpad. SpaceNews.com
Mon, 21 Oct 2019 12:00:45 +0000
Made In Space announced plans Oct. 21 to send a plastic recycling facility to the International Space Station on a Northrop Grumman commercial cargo resupply flight scheduled for early November.  SpaceNews.com
Mon, 21 Oct 2019 01:56:40 +0000
The Japanese government plans to join NASA in its Artemis program of lunar exploration, although the details about how it will contribute remain to be worked out. 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>
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    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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