Myfavteacher
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Mrs. Smith is an English 101 teacher at Central Michigan University who emails her students often to ensure they understand assignments and occasionally bakes for them to keep the classroom cheerful. She is on a first name basis with students and knows each one individually rather than just as another student.
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Simple definition for Wi-Vi is, as a Wi-Fi signal is transmitted at a wall, a portion of the signal penetrates through it, reflecting off any humans on the other side. However, only a tiny fraction of the signal makes it through to the other room, with the rest being reflected by the wall, or by other objects. Wi-Vi cancels out all these other reflections, and keeps only those from the moving human body. Previous work demonstrated that the subtle reflections of wireless inter signals bouncing off a human could be used to track that person's movements, but those previous experiments either required that a wireless router was already in the room of the person being tracked. Wi-Fi signals and recent advances in MIMO communications are used to build a device that can capture the motion of humans behind a wall and in closed rooms. Law enforcement personnel can use the device to avoid walking into an ambush, and minimize casualties in standoffs and hostage situations. Emergency responders can use it to see through rubble and collapsed structures. Ordinary users can leverage the device for gaming, intrusion detection, privacy-enhanced monitoring of children and elderly, or personal security when stepping into dark alleys and unknown places.
The concept underlying seeing through opaque obstacles is similar to radar and sonar imaging. Specifically, when faced with a non-metallic wall, a fraction of the RF signal would traverse the wall, reflect off objects and humans, and come back imprinted with a signature of what is inside a closed room. By capturing these reflections, we can image objects behind a wall.
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‘Bubble Power’-the revolutionary new energy source. It is working under the principle of Sonofusion.Sonofusion involves tiny bubbles imploded by sound waves that can make hydrogen nuclei fuse and may one day become a revolutionary new energy source.
Satrack - missile guidance system
SATRACK is a missile guidance system evaluation methodology that uses GPS signals to track satellites and evaluate error and accuracy for ballistic missile guidance systems. The major modules of SATRACK are the GPS translator, telemetry ground station, and post flight processing. It provides precise error measurements and accuracy assessments that were previously difficult to obtain. SATRACK continues to support strategic weapons system operations and evolution.
Rain technology
I. RAIN Technology was developed at Caltech and NASA to provide a reliable array of independent nodes for distributed computing.
II. It includes features like fault-tolerant data storage that can retrieve data even if some processors fail, and a redundant communication network between processors.
III. The technology aims to offer solutions like minimizing the number of nodes between clients and servers, making individual nodes more robust and independent, and replacing faulty nodes transparently.