Forum for Science, Industry and Business

Sponsored by:     3M 
Search our Site:

 

HomeScience ReportsReports and NewsPower and Electrical Engineering

Energy policies relating to alternative energy

Current energy policies are still based heavily on natural resources. Meanwhile, the trend is increasingly toward alternative resources, such as wind power.

It's only a matter of time before natural resources, such as petroleum, are depleted. Petroleum, a fossil-based energy source deposited across millions of years, is used to produce fuel or electricity. Taking stock of the fact that 260 billion barrels (one barrel = 159 liters) of oil were extracted over the last 11 years, it's evident that the world's petroleum resources will be depleted one day. New developments in solar or wind power are aimed at providing alternative energy sources that will enable us to maintain our current standard of living. Petroleum is also required by the chemical industry to manufacture special plastics.

The advantages and disadvantages of alternative energy sources

When discussing the subject of petroleum and alternative energy, one must bear the advantages and disadvantages in mind. Our resources are running short . Because we cannot count on petroleum for the future, there will come a time when everyone will rely on the efficiency of wind power and other alternative energy sources . Unlike petroleum, wind power can be managed to ensure that it constantly renews itself. Wind power meanwhile makes it possible to have enough resources to supply entire cities. Petroleum has the additional disadvantage of harming the environment through CO2 emissions. This has resulted in increasing demand for resources such as wind power. Wind power can be classified into different categories. A class 4 wind turbine can meanwhile provide resources in a much more efficient manner than petroleum resources for instance. In addition, unlike petroleum, resources such as wind power offer a decentralized energy supply. This means that in contrast to petroleum, the utilization of wind power does not require a large power plant. Instead, it makes "transporting" the energy easier and faster. Decentralized wind power entails a massive infrastructure change. Resources such as wind power certainly bring disadvantages when it comes to the environment, although they pale in comparison to the disasters that can result from petroleum. The utilization of our resources determines how we continue to maintain our standard of living. This makes it important to continue public discourse on the issues of wind power and petroleum.

Resource shortage

It's only a matter of time before there is no petroleum left. For this reason, from a resource standpoint we should already be moving toward heavy reliance on wind power instead of petroleum. After all, from a pure scientific point of view, new petroleum resources won't be available for millions of years. Unlike petroleum, wind power is a resource that will never run dry. In Germany alone, wind power is serving as a popular alternative resource to petroleum. The demand for wind power will increase in line with the consumption of petroleum. For this reason, it is imperative that we gradually move away from petroleum and make more use of wind power or other alternative energy resources. The environmental pollution caused by petroleum is reason enough for an environmentally-conscious society to use solar or wind power. In contrast to petroleum, wind power is significantly better for the environment and offers a unique resource balance.

Power and Electrical Engineering

This topic covers issues related to energy generation, conversion, transportation and consumption and how the industry is addressing the challenge of energy efficiency in general.

innovations-report provides in-depth and informative reports and articles on subjects ranging from wind energy, fuel cell technology, solar energy, geothermal energy, petroleum, gas, nuclear engineering, alternative energy and energy efficiency to fusion, hydrogen and superconductor technologies.

Page anfang | 289 | 290 | 291 | 292 | 293 | ende

"Shocking" Research Points to Ways to Protect Technology

Toronto’s CN Tower acts as a lightning laboratory, teaching scientists how to protect delicate electronic equipment against high-voltage surges, says a new study. Lightning data captured by measurement stations at the CN Tower point to the most effective procedures for protecting sensitive technology in tall buildings or on power lines routed through mountainous terrain. "More and more electronic equipment has very sensitive components," says study co-author Wasyl Janischewskyj, a profe 16.03.2004 | nachricht Read more

Hydrogen as an alternative energy to petrolium

The key aspect of the project is the obtaining of metal hydrides with the capacity to "store" the hydrogen used in automotive vehicle fuel batteries. Under the auspices of the Strategic Plan for Materials and Energy being carried out by INASMET, the Armenian Institute of Chemistry & Physics of the National Academy of Sciences has signed a joint working agreement on order to make progress in one of the future energy sources such as fuel cells based on using hydrogen. This al 15.03.2004 | nachricht Read more

High-performance, single-crystal plastic transistors reveal hidden behavior

Printing circuits on sheets of plastic may offer a low-cost technique for manufacturing thin-film transistors for flexible displays, but maximizing the performance of such devices will require a detailed, fundamental understanding of how charge flows through organic semiconductors. Now, an unusual way of fabricating single-crystal organic transistors has allowed scientists to probe charge transport within the crystals and to observe a strong anisotropy of the charge transport mobility within 12.03.2004 | nachricht Read more

Charge doping of molecules one atom at a time

Using STM, researchers demonstrate precise control needed to build molecular electronics While the semiconductor industry today routinely dopes bulk silicon with billions of atoms of boron or phosphorous to obtain desired electrical properties, a team of physicists at the University of California, Berkeley, has succeeded in changing the properties of a single molecule by doping it just one atom at a time. "We can precisely change the exact number of dopant atoms attached to a 12.03.2004 | nachricht Read more

Fuel cell reaches milestone

A five-kilowatt solid oxide fuel cell (SOFC) undergoing testing in Fairbanks has reached the 5,000-hour milestone since its start-up eight months ago. During each hour of operation the fuel cell produces approximately four kilowatts of electricity totaling 20,000 kilowatt hours for the duration, enough to power two average houses for a full year. "Since the biggest questions surrounding fuel cells have been longevity and reliability, this is an exciting achievement in fuel cell technology 03.03.2004 | nachricht Read more

Fuel-cell microbes’ double duty: treat water, make energy

NSF ’sugar’ grant supports single-chamber prototype fed by wastewater Something big may be brewing on the sewage treatment circuit thanks to a new design that puts bacteria on double-duty-treating wastewater and generating electricity at the same time. The key is an innovative, single-chambered microbial fuel cell. The prototype is described in the online version of the journal Environmental Science & Technology (http://pubs.acs.org/journals/esthag/); the article w 24.02.2004 | nachricht Read more

OHSU researchers discover way to grow silicon nanowires

OGI School of Science & Technology Research is one of a kind in Northwest Oregon Health & Science University researchers have discovered a new way to accurately grow silicon nanowires on an electrode for use in fabricating transistors. A portion of these findings will be published in the Feb. 23 issue of Applied Physics Letter. The discovery has important implications for semiconductor research and may one day help engineers build faster computer chips. A research group led 23.02.2004 | nachricht Read more

Sources of energy for the EFDA-JET nuclear fusion experimental reactor

JEMA, the company based in Lasarte in the Basque Country, has recently put into operation the two energy supply plants designed and manufactured for the European EFDA (the European Fusion Development Agreement)-JET nuclear fusion experimental reactor at Culham in the United Kingdom. This reactor is one of the plants on which ITER, the largest research project in the world, has been based. With this achievement JEMA has carried out more than 2 years of intense work in research, design and con 19.02.2004 | nachricht Read more

Cornell-developed tools to guide and switch light could lead to photonic microchips and practical home fiber-optic lines

A Cornell University researcher is developing techniques for making photonic microchips -- in which streams of electrons are replaced by beams of light -- including ways to guide and bend light in air or a vacuum, to switch a beam of light on and off and to connect nanophotonic chips to optical fiber. Michal Lipson, an assistant professor at Cornell, in Ithaca, N.Y., described recent research by the Nanophotonics Group in Cornell’s School of Electrical and Computer Engineering at the a 16.02.2004 | nachricht Read more

New reactor puts hydrogen from renewable fuels within reach

The first reactor capable of producing hydrogen from a renewable fuel source--ethanol--efficiently enough to hold economic potential has been invented by University of Minnesota engineers. When coupled with a hydrogen fuel cell, the unit--small enough to hold in your hand--could generate one kilowatt of power, almost enough to supply an average home, the researchers said. The technology is poised to remove the major stumbling block to the "hydrogen economy": no free hydrogen exists, except what is ma 13.02.2004 | nachricht Read more
Page anfang | 289 | 290 | 291 | 292 | 293 | ende

Die letzten 5 Focus-News des innovations-reports im Überblick:

Im Focus: The spin state story: Observation of the quantum spin liquid state in novel material

New insight into the spin behavior in an exotic state of matter puts us closer to next-generation spintronic devices

Aside from the deep understanding of the natural world that quantum physics theory offers, scientists worldwide are working tirelessly to bring forth a...

Im Focus: Excitation of robust materials

Kiel physics team observed extremely fast electronic changes in real time in a special material class

In physics, they are currently the subject of intensive research; in electronics, they could enable completely new functions. So-called topological materials...

Im Focus: Electrons in the fast lane

Solar cells based on perovskite compounds could soon make electricity generation from sunlight even more efficient and cheaper. The laboratory efficiency of these perovskite solar cells already exceeds that of the well-known silicon solar cells. An international team led by Stefan Weber from the Max Planck Institute for Polymer Research (MPI-P) in Mainz has found microscopic structures in perovskite crystals that can guide the charge transport in the solar cell. Clever alignment of these "electron highways" could make perovskite solar cells even more powerful.

Solar cells convert sunlight into electricity. During this process, the electrons of the material inside the cell absorb the energy of the light....

Im Focus: The lightest electromagnetic shielding material in the world

Empa researchers have succeeded in applying aerogels to microelectronics: Aerogels based on cellulose nanofibers can effectively shield electromagnetic radiation over a wide frequency range – and they are unrivalled in terms of weight.

Electric motors and electronic devices generate electromagnetic fields that sometimes have to be shielded in order not to affect neighboring electronic...

Im Focus: Gentle wall contact – the right scenario for a fusion power plant

Quasi-continuous power exhaust developed as a wall-friendly method on ASDEX Upgrade

A promising operating mode for the plasma of a future power plant has been developed at the ASDEX Upgrade fusion device at Max Planck Institute for Plasma...

All Focus news of the innovation-report >>>

Anzeige

Anzeige

VideoLinks
Industry & Economy
Event News

Contact Tracing Apps against COVID-19: German National Academy Leopoldina hosts international virtual panel discussion

07.07.2020 | Event News

International conference QuApps shows status quo of quantum technology

02.07.2020 | Event News

Dresden Nexus Conference 2020: Same Time, Virtual Format, Registration Opened

19.05.2020 | Event News

 
Latest News

Crop production in times of Corona

13.07.2020 | Agricultural and Forestry Science

Virtual reality can assist with the evaluation of future transport concepts

13.07.2020 | Information Technology

X-ray scattering shines light on protein folding

10.07.2020 | Life Sciences

VideoLinks
Science & Research
Overview of more VideoLinks >>>