Star Witness Enhancement Program In Elementary
This science news story highlights a new initiative by the Hubble Space Telescope to image distant galaxies. The program uses gravitational lenses to image galaxies that are otherwise too distant and faint for the telescope to image. The story includes information describing how gravitational lenses are similar to optical lenses. The article also includes a description of parallel fields - a set of observations done in tandem with the gravitational lens observations that will result in six additional HUDF-type observations of the sky. Star Witness News is a series of articles, written for students, that are inspired by Hubble Space Telescope press releases.
Supplemental education materials include vocabulary, discussion questions and answers, and identifies relevant Common Core State Standards for English Language Arts.
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We live in a world in which video surveillance is omnipresent. Nowadays, we hardly bat an eye at finding ourselves reflected in a closed-circuit television (CCTV) screen in a supermarket, or realizing a friend took a video from last week’s brunch and posted it to social media. Video security footage, as well as footage from casual observers, exists in nearly every dimension of society, from law enforcement to the office to the privacy of our own home webcams. When it comes to criminal and civil justice, digitally-recorded footage is often indispensable in the outcome of court proceedings. It can be used to identify suspects or perpetrators, confirm witness statements, and piece together events where other evidence fails to do so.
As part of the discovery process, it is best that digital video and audio be recovered, preserved, examined, analyzed by an expert digital forensics team. Capsicum Group, with offices in including video analysis by investigating the content of digital recordings on behalf of attorneys, corporations and others. Forensic analysts examine media for signs of tampering and authenticity, enhance potentially hidden information, and accurately present findings in court. It is important to note that each state has its own guidelines for the use of surveillance films as evidence, and federal law offers its own standards as well. Some of the most important factors that are generally considered include disclosure, authentication, prejudice, and other admissibility issues. Recently, we were called upon to assist in a case that involved charges of workplace threats and violence.
Our task was to sort through CCTV video that had been repeatedly saved and written over in order to discover any recorded evidence of the alleged events. The following steps that we took in this case are typical of many forensic discovery processes involving digital video: Retrieval. The video retrieval operation can be a delicate one, namely in cases in which the evidence may have been overwritten or otherwise damaged. In addition to retrieving the entire data set, a forensics team must record the make and model of a recording device, which assists in subsequent enhancement and analysis. Ibanez Ergodyne Edc 700 Manual there. A comparison copy must be created as well. The team must also have the capability to host potentially massive amounts of data. Data culling and auditing.
Due to the ubiquity of information recorded on digital devices including cell phones and cameras, many cases involve huge amounts of video. Peugeot Service Box 2009 Keygen Download No Virus. In this case, we had to sift through hundreds of hours of recorded data, narrowing our set down to the relevant timeframes that were pinpointed by counsel. Determining authenticity. Techniques and software for the purpose of video manipulation are more widespread and accessible than ever before.
Chopin Complete Edition Torrent Flac Pagans. Legal teams should expect the authenticity of any video evidence to be contested in court. An experienced forensics team can detect whether video has been deleted or manipulated. While not visible to a casual viewer, encoding can reveal discrepancies that indicate whether portions of video have been deleted or altered. Since, in this case, the CCTV video in question had been overwritten multiple times, we were tasked with reconstructing the relevant information. Often, due to deletions, accidental damage or malicious tampering, a forensic team must painstakingly reconstruct a video to as close to its original form as possible. Multiple techniques are used to enhance video. Typically, CCTV video is not high-definition enough to provide all of the visual or audio details necessary for corroborating statements or disproving claims.