Latest Space News
Tue, 12 Nov 2019 17:12:03 +0000
Megaconstellation startup OneWeb and its largest investor Softbank asked the New York Supreme Court to dismiss a lawsuit from Intelsat, arguing that Intelsat failed to finalize rights it claimed it had to resell OneWeb satellite capacity.  SpaceNews.com
Tue, 12 Nov 2019 13:40:20 +0000
The senior secured loan will finance BlackSky’s infrastructure and product development. SpaceNews.com
Tue, 12 Nov 2019 00:05:39 +0000
A NASA space telescope recently completed a major review and is making good progress, project officials say, despite uncertainty about its funding. SpaceNews.com
Mon, 11 Nov 2019 22:34:00 +0000
Readers voted in October to select the individuals, organizations and accomplishments most deserving of recognition at the 2019 SpaceNews Awards for Excellence and Innovation. Here is the complete list of the Readers' Choice Award winners for each category. SpaceNews.com
Mon, 11 Nov 2019 16:33:48 +0000
SpaceX completed its second launch of 60 Starlink satellites Nov. 11, making its own system the largest commercial telecommunications satellite constellation in orbit. SpaceNews.com
Sun, 10 Nov 2019 15:34:42 +0000
The Russian company that markets launch vehicles commercially says it doesn’t expect the new Soyuz-5 medium-lift rocket to be available until the mid-2020s, despite leveraging existing designs and facilities. SpaceNews.com
Fri, 08 Nov 2019 22:19:39 +0000
Telesat Canada will likely choose the winner of a now three-way race to build its low Earth orbit broadband constellation in the first few months of 2020 instead of this year, CEO Dan Goldberg said Nov. 5.  SpaceNews.com
Fri, 08 Nov 2019 18:43:04 +0000
The Infrastructure Asset Pre-Assessment (IA-Pre) program will be run by the Air Force Space Command’s commercial satellite communications office. SpaceNews.com
Fri, 08 Nov 2019 17:48:35 +0000
OneWeb has delayed the beginning of its regular launch campaign by a month to allow more testing of its small broadband satellites.  SpaceNews.com
Fri, 08 Nov 2019 12:15:06 +0000
A NASA astronaut flying to the International Space Station next spring could be the only American on the station for an extended period because of uncertainty in the status of commercial crew vehicles. SpaceNews.com
Thu, 07 Nov 2019 23:05:29 +0000
Avio CEO Giulio Ranzo said during a Nov. 7 earnings call, said Vega is on track for a return to flight by March, though what payload will launch on the mission is still to be determined.  SpaceNews.com
Thu, 07 Nov 2019 21:54:50 +0000
Boeing said Nov. 7 that a misplaced pin prevented a parachute from deploying during a pad abort test of its CST-100 Starliner vehicle three days earlier, the only flaw in a key test of that commercial crew vehicle. SpaceNews.com
Thu, 07 Nov 2019 21:00:44 +0000
Fiber Optic Manufacturing in Space (FOMS) Inc. presented the results Nov. 7 of its successful campaign to produce optical fiber on the International Space Station. SpaceNews.com
Thu, 07 Nov 2019 20:57:54 +0000
DoD wants to increase awareness of the threats the nation faces in space but classification is a problem. SpaceNews.com
Thu, 07 Nov 2019 14:00:04 +0000
Ursa Space Systems, a geospatial analytics company that specializes in the application of synthetic aperture radar (SAR) data, raised $15 million in a Series B funding round led by Razor’s Edge Ventures. SpaceNews.com
Thu, 07 Nov 2019 11:59:07 +0000
The White House warned Congress in a recent letter that without funding increases for its exploration programs, NASA won’t be able to achieve the goal of landing humans on the moon in 2024. SpaceNews.com
Thu, 07 Nov 2019 06:46:23 +0000
Over two days, the U.S. Air Force awarded $22.5 million in Small Business Innovation Research (SBIR) funding to 30 companies attending the first Air Force Space Pitch Day in San Francisco. SpaceNews.com
Wed, 06 Nov 2019 23:12:06 +0000
DIU received 25 proposals for the Dismounted Assured PNT System SpaceNews.com
Wed, 06 Nov 2019 21:21:34 +0000
Iceye, the Finnish radar satellite constellation operator, announced an agreement Nov. 6 with RS Metric, a satellite imagery and geospatial analytics company, to provide data on iron ore inventories to the commodities market. SpaceNews.com
Wed, 06 Nov 2019 21:15:16 +0000
A bipartisan group of senators introduced a new NASA authorization bill Nov. 6 that would extend the life of the International Space Station and direct NASA to have an upgraded version of the Space Launch System ready by 2024. 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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