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Articles 1 - 5 of 5
Full-Text Articles in Engineering
Self-Supported Printed Multi-Layer Capacitors, Michael James Joyce
Self-Supported Printed Multi-Layer Capacitors, Michael James Joyce
Masters Theses
The increasing demand for miniaturized electronic devices has increased the need for rechargeable micro-power sources. Although lithium and lithium ion batteries have been utilized in these applications since the late 1990s, other energy harvesting technologies, such as thermal, mechanical, and solar, are now being used to augment batteries to enable systems to be self-powered. However, the lifetime of any battery is finite, which may be a major problem when the application is in a permanent structure or medical implant device. For power or significant energy storage applications, printed multilayer capacitors or supercapacitors are being explored as an enhancement, or replacement …
Affluent Populations And Their Effect On Biological Diversity Through The Consumption Of Meat, Electronics, And Motor Vehicles, Melody Flores
Affluent Populations And Their Effect On Biological Diversity Through The Consumption Of Meat, Electronics, And Motor Vehicles, Melody Flores
Honors College Theses
The human has caused a far greater impact on the planet's biodiversity than any other species in existence, due to the impact of population, afflluence, and technology. This thesis will argue the importance of biological diversity and how affluent populations are reducing biodiversity through the consumption of meat, electronics, and motor vehicles. Aldo Leopold's "The Land Ethic" and Herman Daly's "The Impossibility Theorem", among others, create a rubric evaluating human activities and provide alternative views on economic impossibilities. Consumption is reviewed from an ecocentric perspective, a holistic outlook placing emphasis on the ecosystem. The reader will become cognizant of their …
Rubidium-Based Atomic Clock, Kate Miles
Rubidium-Based Atomic Clock, Kate Miles
Physics
In this paper we will explore the process of building an atomic clock from a function generator, go into an in-depth introductory discussion of the Datum LPRO, and examine how rubidium function generators work.
Continuous Hand-Tool Leveling Device, Shaun Villa Koide
Continuous Hand-Tool Leveling Device, Shaun Villa Koide
Electrical Engineering
To produce clean and precise cuts, hand-tools (e.g. knives and saws) must maintain a consistent angle of orientation during the entire cutting process. The Continuous Hand-Tool Leveling Device mounts on the desired hand-tool and the user inputs the desired angle of the cutting plane. The device utilizes a microcontroller unit (MCU) and accelerometer to implement real-time angle measurement. When using a hand-tool, the device uses an LED that indicates that the hand-tool’s angle deviates from the user-set desired angle, which prevents any potential mistakes from occurring due to user error. The device easily mounts on many common cutting tools. Additionally, …
3-Input Pre-Amp, Daniel Pico, Carla Salome Ramirez
3-Input Pre-Amp, Daniel Pico, Carla Salome Ramirez
Electrical Engineering
There is no commercial available pre-amplifier that takes 3 individual input signals and synthesizes them for an acoustic guitar. The acoustic pre-amplifier takes three separate small signal inputs and combines or isolates to endure amplification depending with user setting. The user deciphers which signal or signal combination is desired. The device features coil pick-up, microphone pick-up, and piezo disc pick-up for variety of tone quality and control.