Monday, February 17, 2020

Why are solar cells not used today Essay Example | Topics and Well Written Essays - 750 words

Why are solar cells not used today - Essay Example There are many options available to people and the time has truly changed, if a product is expensive and if people have better alternatives, why would people buy that expensive product especially when there are other good alternatives available. The case of solar cells is no different, the initial investment that goes into buying these solar cells is enormous and this is arguably the biggest reason that hampers the sale of solar cells across the globe. More and more people would buy it should the price be reduced a little; the price is one of the biggest factors, which has seen the demand of these cells drop sown to unprecedented levels. After throwing light upon the price of these solar cells, another important aspect is the aspect of recharging these cells. This task is very difficult and it becomes all the more difficult when it is a cloudy day or when a storm is just round the corner. It becomes impossible to charge these cells when the sun is not shinning, these cells can only be charged in the afternoon when the sun is brightly shinning. These cells can never be charged at night or at any time when the sun isn’t shining brightly. This is another major factor that stops the people from buying these cells. More and more people have started relying on oil these days and oil has successfully replaced these cells, one can sit back and rely upon oil to solar cells because solar cells require a lot of conditions and on the on the contrary, one can easily use oil when there is no electricity or when any other work needs to be done. â€Å"Yet, the most important disadvantage of residential solar power solutions for most people is that solar power equipments such as cells/panels, and their installation can be very expensive. Even though, the real cost of solar panels is anticipated to show a tendency towards decline in the future, the new technologies scientists currently work on (from chemical approach to biotechnology) are not going to be

Monday, February 3, 2020

Attachment Research Paper Example | Topics and Well Written Essays - 1000 words

Attachment - Research Paper Example nt scientific articles and reports on the influences of parents and caregivers on brain development, their relationship to theorist and application to ECE (Early Childhood Education), and how these relationships and applications help answer my question. The articles study brain development after birth from a socioeconomic, environmental, dietary, social class, and strata points of view. In 2004, researcher Brenda Jones Harden explores developmental procedures at cognitive levels in â€Å"Safety and Stability for Foster Children: A Developmental Perspective† (Harden, 2004). Phyllis Porter’s 2007 â€Å"Early Brain Development: What parents and caregivers need to know!† argues that children brought up in environmentally poor households like unmaintained orphanages become familiar to less sounds, colors, images, socializations, and visions. Jednorà ³g, et al, wrote â€Å"The influence of socioeconomic status on children’s brain structure† in 2012 to determine the effect of parental SES (Socioeconomic Status) on children’s brain development (Jednorà ³g, et al., 2012). Theresa Hawley and Megan Gunner 2000 edition of â€Å"Starting Smart: How Early Experiences Affect Brain Development† involves the latest developments in brain studies on children, which have shed light on how a child’s brain keeps on budding and developing â€Å"postnatally† (Hawley and Gunner, 2000). Michelle Loman and Megan Gunnar’s 2010 article â€Å"Early experience and the development of stress reactivity and regulation in children† theorizes that infants who spend early parts of their childhood in institutes, or endure abuses from their parents, caregivers, or siblings of origin are in jeopardy of building emotional and interactive issues echoing illnesses of emotion and attention control. Lastly, Daniel A. Hackman  Martha J. Farah say SES is related to mental accomplishments all through a child’s life in their 2009 research article â€Å"Socioeconomic status and the developing brain.† Hawley