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nairaland.net Welcome to Nairaland.net for Nigerians and Friends of Nigeria 2011-07-03T14:32:07+00:00 http://www.nairaland.net/forum/feed.php?f=33 2011-07-03T14:32:07+00:00 2011-07-03T14:32:07+00:00 http://www.nairaland.net/forum/viewtopic.php?t=3112&p=4126#p4126 <![CDATA[Science • Odor]]>
People do their best to avoid this odor. For instance when somebody has just used the toilet, a typical person would rather wait a little while for the odor to dissipate, before going into that room.

It is said that eating spicy food increases the smell. This is because a large part of the of the spice go undigested. I've also personally noticed that a heavy vegetable diet has the same effect.

The biggest question is, why does human waste smell? What does it contain that makes it release such horrendous, disturbing odor?

Here is the answer provided by Wikipedia...

"The distinctive odor of feces is due to bacterial action. Gut flora produce compounds such as indole, skatole, and thiols (sulfur-containing compounds), as well as the inorganic gas hydrogen sulfide.

These are the same compounds that are responsible for the odor of flatulence. Consumption of foods with spices may result in the spices being undigested and adding to the odor of feces".

So that is the answer. Sulphur and sulphides. If you have been in chemistry labs like I have, you know that sulphides do smell.

Many sulfur compounds are odiferous, and the smell of odorized natural gas, skunk scent, grapefruit, and garlic is due to sulfur compounds. Hydrogen sulfide produced by living organisms imparts the characteristic odor to rotting eggs and other biological processes.

Statistics: Posted by Richard Akindele — Sun Jul 03, 2011 2:32 pm


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2009-10-22T23:19:48+00:00 2009-10-22T23:19:48+00:00 http://www.nairaland.net/forum/viewtopic.php?t=1140&p=3659#p3659 <![CDATA[Science • ]]> Statistics: Posted by xdunamis — Thu Oct 22, 2009 11:19 pm


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2009-05-29T09:22:15+00:00 2009-05-29T09:22:15+00:00 http://www.nairaland.net/forum/viewtopic.php?t=1140&p=1835#p1835 <![CDATA[Science • Energy]]> Statistics: Posted by Rathbun — Fri May 29, 2009 9:22 am


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2009-04-12T02:45:54+00:00 2009-04-12T02:45:54+00:00 http://www.nairaland.net/forum/viewtopic.php?t=867&p=1748#p1748 <![CDATA[Science • ]]> http://www.rain.org/~philfear/how2solar.html

Statistics: Posted by Richard Akindele — Sun Apr 12, 2009 2:45 am


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2009-04-11T09:39:20+00:00 2009-04-11T09:39:20+00:00 http://www.nairaland.net/forum/viewtopic.php?t=867&p=1747#p1747 <![CDATA[Science • constucting a solar panel]]> my name is samuel kadiri, from Abuja.
sir. i want to construt my solar power generator, and i need help,
that was my drem sir. my mail is samuelyeu@yahoo.co.uk thanks & God bless.

Statistics: Posted by samuel kadiri — Sat Apr 11, 2009 9:39 am


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2008-06-02T19:31:15+00:00 2008-06-02T19:31:15+00:00 http://www.nairaland.net/forum/viewtopic.php?t=867&p=1350#p1350 <![CDATA[Science • Engineer Adebiyi takes solar energy skills to Nigeria]]>
"It's a country with a huge potential to make life good for everybody, yet there's so much pain," said the longtime Mississippi State University mechanical engineering professor.

Adebiyi is journeying to his homeland as a Fulbright Scholar this summer to help colleagues at the West African nation's Bowen University begin developing a solar crop dryer for use in rural communities.

[img]http://nairaland.net/forum/images/2004_06_25__2004_11_03_120010.jpg[/img]

"The people there dry their crops in the open, but it's not very effective," he explained. "Flies and other things intrude. We want to do it in a controlled environment, utilizing the sun to heat the air before it is passed through stacks of grains.

"If we can find a more efficient and affordable way for average farmers to dry their crops, it will be a big step toward improving storage," he continued. "Without proper storage, they have to sell their crops early. Then, down the road, they don't have anything to sell."

Adebiyi is a specialist in the areas of heat transfer, thermodynamics and fluids, advanced energy systems, solar energy applications, and engineering analysis. Following his early education in Nigeria, he earned bachelor's and doctoral degrees from the University of Manchester, England, in 1969 and 1973, respectively.

He is one of approximately 800 U.S. faculty and professionals who will travel abroad to some 140 countries for the 2004-05 academic year through the Fulbright Scholar Program. Established in 1946 under legislation introduced by the late U.S. Sen. J. William Fulbright of Arkansas, the program's purpose is to build mutual understanding between the people of the United States and other countries.

Also chosen as a Fulbright Scholar for 2004-05 is Wanda Dodson, a professor of nutrition in MSU's School of Human Sciences, who will lecture at India's Swami Vivekanand Institute of Medical Sciences and Research. A Kentucky native and MSU faculty member since 1989, she also taught in Uzbekistan as a 1996 Fulbright Scholar.

"I have a long history of working and teaching in medical schools," said Dodson, who retires July 1 and will have the title of professor emerita.

Accompanied by his wife Iyabo, a nurse at the Oktibbeha County Hospital, and the youngest of their seven children, 14-year-old daughter Deola, Adebiyi will work with physics professor Theophilus Aro at Baptist-supported Bowen University in Iwo, Nigeria, from July 1 to the end of December.

Using locally available materials, Adebiyi and Aro plan to design and construct a prototype of a solar crop dryer for a rural community, then develop a model that could be effectively deployed in the society at large. Adebiyi also hopes to solidify university research ties between Bowen and Mississippi State, and help the Nigerian university establish a solar energy lab.

"Solar energy is a promising resource for meeting energy needs in agriculture and for improving the quality of life in the rural areas," Adebiyi said in his research proposal.

He said Nigerian farmers raise a variety of crops that include corn, beans, rice, cocoa, and peanuts, but noted the country--located on the Gulf of Guinea, between Benin and Cameroon--also "is blessed with an abundance of both fuel energy (oil and gas) and renewable solar energy."

While there, Adebiyi said he also plans to collaborate with former MSU faculty member Michael Osaji, now chief executive of the Delta State Polytechnic at Ozoro, on other research projects related to solar energy.

"Solar panels also have been shown to be cost effective in remote locations to generate power for lighting and to operate pumps for water supply," he said.

He already has shipped "about 100" books to Nigeria that will be distributed to school libraries. He said the books were donated by faculty colleagues in mechanical engineering, the MSU Bookstore and Campus Bookmart in Starkville.

Born in the town of Igosun, Adebiyi is one of five children born to a father who was a Baptist minister and civil service worker, and a school-teacher mother. An older brother, now deceased, was a Nigerian physician, while two sisters living there now both have master's degrees. Another sister, Bimpe Adebiyi, earned a doctorate in England and currently directs a mathematics laboratory in Huntsville, Ala.

"Our (late) parents put a big premium on education," said the MSU professor, who will be returning to Nigeria for the first time since his brother's death in 2001.

Between 1973 and 1984, Adebiyi worked on solar energy projects in Nigeria at the University of Lagos, the Kwara Polytechnic and the Federal Polytechnic at Bida. He also has worked for the Central Electricity Research Laboratory in England and the Shell Petroleum Company in Nigeria.

Later coming to the United States, he worked as a visiting professor of physics and engineering at Rust College in Holly Springs before joining the Mississippi State faculty in 1985. He is the author or co-author of three books on thermodynamics.

"For me, this trip is almost like going full circle," he said. "When I left Nigeria to come to the U.S., I was looking for opportunities to continue my solar energy research. I'm excited to have an opportunity to go back and do some of my work, this time from the vantage point of having Mississippi State University as my home base of support."

http://www.msstate.edu/web/media/detail.php?id=2513

Statistics: Posted by Richard Akindele — Mon Jun 02, 2008 7:31 pm


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2007-08-20T18:28:14+00:00 2007-08-20T18:28:14+00:00 http://www.nairaland.net/forum/viewtopic.php?t=614&p=1106#p1106 <![CDATA[Science • ]]>
- [b]Solar power[/b] panels are virtually maintenance free.
- Safety standards make [b]Nucluear power[/b] reactors expensive.

- [b]Solar energy[/b] generators produce zero residues.
- [b]Nuclear reactors[/b] produce risky radioactive Uranium.

- [b]Solar energy[/b] only relies on energy from the sun. Plentiful, perpetual, and free.
- [b]Nuclear energy[/b] relies on Uranium. Once we've dug up and used all the world's Uranium, we can no longer generate nuclear energy.

- [b]Solar energy[/b] poses no threats of accidents.
- [b]Nuclear reactors[/b] can overheat and blow up, or catch on fire. Radioactive fallout could pollute the land/air/waters, leading to higher rates of cancer, and genetic diseases.

- [b]Solar energy[/b] does not need raw materials.
- [b]Nuclear generators[/b] need Uranium, to be imported if not available locally. If available locally, it still has to be mined before use.

- [b]Solar energy[/b] can be implemented on a [b]small[/b] or on a [b]large[/b] scale.
- [b]Nuclear energy[/b] basically only has large scale implementation. Which gives the government one more way to control your lives.

Statistics: Posted by Richard Akindele — Mon Aug 20, 2007 6:28 pm


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2007-08-20T17:56:10+00:00 2007-08-20T17:56:10+00:00 http://www.nairaland.net/forum/viewtopic.php?t=689&p=1105#p1105 <![CDATA[Science • Forms of Energy]]>
My science background showed me there are many forms of energy in our universe. I wonder how many forms of energy really exist.

Let me begin by listing the forms I know, and you're welcome to either dispute the list, or add to it.

Kinetic
Thermal
Solar
Light
Kinetic
Potential
Chemical
Electrical
Nuclear
Atomic
Mechanical

Statistics: Posted by Richard Akindele — Mon Aug 20, 2007 5:56 pm


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2007-07-24T21:53:41+00:00 2007-07-24T21:53:41+00:00 http://www.nairaland.net/forum/viewtopic.php?t=687&p=1083#p1083 <![CDATA[Science • ]]>
Do your homework sir before touting nuclear power as a source of energy for Nigeria.

I propose [b]Solar Energy[/b] as the best source of energy for Nigeria due to it's cleanliness, and environmental friendliness.

Statistics: Posted by fw12 — Tue Jul 24, 2007 9:53 pm


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2007-07-24T21:50:25+00:00 2007-07-24T21:50:25+00:00 http://www.nairaland.net/forum/viewtopic.php?t=687&p=1082#p1082 <![CDATA[Science • Yar'Adua Calls for Nuclear Power-Generated Electricity]]>
President Umaru Musa Yar'Adua has observed that Nigeria needs to develop the capacity for the generation of electricity through nuclear power.


He spoke on July 23 at the State House, Abuja while receiving briefs from the National Atomic Energy Commission.

"We need to develop the capacity to utilise nuclear power for power generation. Who knows, nuclear power may be the only source of energy in the future, and we must think of the future", the President stated.

Responding to proposals for further work by the Commission, President Yar'Adua directed the Ministry of Science and Technology to align proposals of the National Programme for the Deployment of Nuclear Power for Generation of Electricity with the overall national policy on power.

"We have to align your work with the National Power Policy, taking cognisance of other sources of energy generation - oil, gas, hydro, wind and solar", he added.

President Yar'Adua also directed the Ministry to look at the regulatory framework, especially on options of funding, considering the huge financial requirement.

The briefing was done by the Director-General, Nigeria Atomic Energy Commission, Dr. Osaisai.

Statistics: Posted by fw12 — Tue Jul 24, 2007 9:50 pm


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2007-04-23T01:48:39+00:00 2007-04-23T01:48:39+00:00 http://www.nairaland.net/forum/viewtopic.php?t=672&p=1043#p1043 <![CDATA[Science • The phenomenon of Free Energy]]>
The following video is set to disprove this age old law of energy.

Energy from a vaccuum...

fact or folly?

http://www.youtube.com/watch?v=v6pOpcSmIzE

Why are these clean forms of energy not being developed for mass production?

Statistics: Posted by Richard Akindele — Mon Apr 23, 2007 1:48 am


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2007-04-22T20:30:02+00:00 2007-04-22T20:30:02+00:00 http://www.nairaland.net/forum/viewtopic.php?t=671&p=1042#p1042 <![CDATA[Science • Nevada Solar One Solar Power Station]]>
The world needs green energy not only to save the planet from the contentious Global Warming, but most importantly to put a stop to our inadvertent funding of terrorism around the world. The sooner we quite depending on fossil fuel, the quicker we hit terrorism where it really hurts - the pocketbook.

Watch this heartwarming account of Nevada's effort:
http://www.youtube.com/watch?v=cgCJB9mu5CI

The CIS Tower, Manchester, England, shown below, was clad in PV panels at a cost of £5.5 million. It started feeding electricity to the national grid in November 2005.
[img]http://www.nairaland.net/images/200px-CIS_Tower.jpg[/img]
Why isn't every building in the world made the same way?

More from the horse's mouth:

http://www.youtube.com/watch?v=X8OtcIa84_A
http://www.youtube.com/watch?v=lGj5U2mQOvM
http://www.youtube.com/watch?v=Mtqn_-YbCqA

The examples just keep coming:

http://www.youtube.com/watch?v=NveshAa5qpk

Statistics: Posted by Richard Akindele — Sun Apr 22, 2007 8:30 pm


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2007-08-23T15:38:23+00:00 2006-11-23T19:27:38+00:00 http://www.nairaland.net/forum/viewtopic.php?t=614&p=902#p902 <![CDATA[Science • ]]>
Yes nuclear tech will supply electricity very cheaply, but how do you dummies propose to dispose of the nuclear waste afterwards?

Just because you've heard about Iran's nuclear tech ambitions, you copy cats also want to rush in and do the same without first researching the full ramifications. Typical Nigerian knee-jerk reaction. Unbelievable! Too much money, not enough creative brains.

Let me put it to you like this, if power generation is your concern, stay away from nuclear power. Nuclear technology has too many negative environmental effects. Rather, consider clean alternatives, such as solar energy.

Nigeria gets year-round sunshine. If you're really interested in moving your science forward, then commence research on solar energy. Major cities around the world are now leaning toward clean renewable energy. Germany by far leads the way on this charge. Nigeria needs to follow suit.

Resources:

http://www.pvresources.com/en/top50pv.php
http://www.solarbuzz.com/News/NewsEUPR293.htm
http://www.irecusa.org/articles/static/ ... 30621.html
http://www.cooperativecommunityenergy.c ... topol.html
http://www.solarsebastopol.com/

Statistics: Posted by Richard Akindele — Thu Nov 23, 2006 7:27 pm


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2006-11-23T18:37:49+00:00 2006-11-23T18:37:49+00:00 http://www.nairaland.net/forum/viewtopic.php?t=614&p=901#p901 <![CDATA[Science • Nigeria to build nuclear plants]]>
Information minister Frank Nweke said a meeting of the cabinet chaired by President Olusegun Obasanjo set a target for the country to generate 40 000 megawatts of electricity within the next decade, with a significant part coming from nuclear energy.

Nweke said: "To achieve this objective ... we must exploit other sources, particularly nuclear power as a major component, not just an option."

Nigeria ran two nuclear research centres, one in the northern town of Zaria and another outside the capital, Abuja, set up under the supervision of the International Atomic Energy Agency, the United Nations nuclear regulatory body. It had no nuclear power plant.

Nigeria was Africa's leading oil and gas producer and the world's eight-biggest oil exporter, but remained a low electricity generator and consumer.

The country ran on less than half of national capacity of 6 000 megawatts of electricity, with power cuts frequent and the electricity infrastructure ran down by years of corruption and mismanagement.

Nweke said Nigeria couldn't rely on its natural gas, coal and hydroelectric resources alone to meet its energy requirements and wanted nuclear power to supplement them.

Nweke said Nigeria had no ambition to acquire nuclear weapons and would comply with all international requirements for safe use of nuclear energy.

Statistics: Posted by Richard Akindele — Thu Nov 23, 2006 6:37 pm


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2006-09-22T18:01:37+00:00 2006-09-22T18:01:37+00:00 http://www.nairaland.net/forum/viewtopic.php?t=561&p=809#p809 <![CDATA[Science • Nigeria to launch second earth observation satellite in 2008]]>
"The Satellite will be built with the active participation of many of Nigerian engineers," he said, adding that Nigeria had a pool of highly trained engineers to undertake the design, construction and launch of the satellite with little assistance from foreign experts.

He said the satellite known as NigeriaSat-2 would be an improvement on NigeriaSat-1 which "is a medium resolution earth observation satellite."

He said his agency was considering suitable payloads for the NigeriaSat-2 spacecraft, adding that a 2.5m panchromatic camera, 5m multispectral camera in five bands and a 32m multispectral camera in three channels would be used to ensure high resolution.

When launched in 2008, he said, NigeriaSat-2 would provide a wide range of applications in the areas of infrastructure, water resources management, agricultural land use, population estimation, health hazard monitoring and disaster mitigation and management.

NigeriaSat-1, which was launched in 2003 from Plesetsk, Russia, into 686km polar orbit has been capturing high quality images using six cameras on board the Satellite.

Apart from demonstrating good applications and commercial value, NigeriaSat-1 has been configured in Disaster Monitoring Constellation with other Satellites from Algeria, China, Turkey and Britain.

Boroffice said NigeriaSat-1 had given the country an added advantage of global coverage and daily revisit with provision of real time data.

"Imageries from NigeriaSat-1 have been used to solve many global problems such as refugee management in Darfur region of Sudan, flood and tsunami disaster management in New Orleans," he added.

Source: Xinhua

Statistics: Posted by Richard Akindele — Fri Sep 22, 2006 6:01 pm


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