Science & Technology Essays and Term Papers

by affecting our lives. Has it affected our lives for good or for bad, since the discovery of batteries in around 1800? Before the time of invention a number of discoveries had previously been made. Floriano Caldani (1756) observed that frog…

everyday, we use them to start our cars and to listen to our Walkmans. I have a few questions: How do batteries work? What are the different kinds of batteries? Why do they die? Why do they lose energy when they are not used for a long time?…

QUESTION: HOW AND WHY DO DIFFERENT BATTERY TYPES FAIL AT EXTREME TEMPERATURES? ELECTRO~CHEMISTY BATTERY FAILURE HONORS CHEMISTY RESEARCH PROJECT HISTORY OF THE BATTERY The battery’s origins may be followed back to very ancient…

strength varies the deflection of Beta Particles. Preliminary Work I started my preliminary work because, when I started my measurements using 2 coils used in experiments to deflect electrons from and electron gun. While testing for the deflection…

whether if and when it will end. Astronomers construct hypotheses called cosmological models that try to find the answer. There are two types of models: Big Bang and Steady State. However, through many observational evidences, the Big Bang…

medical and biological sciences involves experimentation on all living species, including animals and humans. The effectiveness of medications investigative procedures and treatments must at some point be tested on animals and human beings. Although…

smoke contains nicotine, a drug that is addictive and can make it very hard, but not impossible, to quit. * More than 400,000 deaths in the U.S. each year are from smoking-related illnesses. Smoking greatly increases your risk for lung cancer…

& Associates, Inc. Biometrics is the use of a persons unique physiological, behavioral, and morphological characteristics to provide positive personal identification. Biometric systems that are currently avaiable today examine fingerprints, handprin…

disorder has been a mystery since the 16th century. History has shown that this affliction can appear in almost anyone. Even the great painter Vincent Van Gogh is believed to have had bipolar disorder. It is clear that in our society many people live…

upon millions of stars. Within our universe, there are millions upon millions of galaxies. Humans have known the existance of stars since they have had eyes. Although interpretations may have differed on what they were, they were always thought…