An asteroid either hit the earth or exploded over the sky around 2:45 am GMT on Tuesday 7th Oct 2008 in Northern Sudan. The resulting explosion detected by an infrasound station in Kenya is estimated to be equivalent to 1.1 -2.1 kiloTons of TNT . This asteroid impact represents the first ever accurate prediction of an asteroid entering earth's atmosphere. The infrasound station was installed in the late 1990s to detect extremely low frequency soundwaves.
Its interesting that this instrument was able to detect the explosion considering the distance and seismic noise in the Rift Valley. Infact, an earlier seismic activity study of the Olkaria area conducted by KenGen and University of Texas found a total of 460 active between May and Sept of 1996.
But back to the asteriod ... it was reportedly seen by passengers on a KLM flight about 1400 km away! The impact/explosion site is supposed to be a barren, sparsely populated region in the the Nubian desert though I am curious to know if anyone were able to collect a fragment
.... hmmm .....
or maybe not since we are talking about 1.1-1.2 kT of TNT !
Sunday, October 5, 2008
Wednesday, October 1, 2008
Somber Numbers
Humbling numbers ... a change is required in how we see 'innovation'
One common gauge of innovation around the world is patent or intellectual property (IP) filing. A news report in the East African Standard this week has a somber message for Kenyans that admonishes academics, companies and institutions for the low number of patents filed. According to the World Intellectual Property Organization, Kenya filed 71 patents in 2006 of which 24 were granted - 14 of these granted patents were filed by foreign persons/organizations in Kenya (That's over 50%!!!)
Even Kenyaentrepreneur makes mention of the low level of innovation in Kenya as noted from the impact of recent lower remittances on the Kenya economy. Remittances matter because current productivity is low and productivity is a direct function of innovation!
So why aren't there more IP filings in Kenya (both by Kenyans and others)? I don't believe there is a dearth of innovation for necessity is the mother of all invention - and there is A LOT OF NECESSITY in Kenya. Just look at the recently concluded student engineering exhibition or the annual Kenya High School's Science Congress. And how about this presentation by White African on technology developed by some very enterprising Kenyans!
But what keeps Kenyans from patenting their ideas so as to sell these ideas? I can think of 4 questions:
Perhaps KIPI need to take the patent talk show on the road. There may be many who have fleeting understanding of patenting and need guidance but don't have time to fully research the issue. Or maybe patent lawyers could sponsor regional workshops on IP law - it could only bring them business ... right ?
One common gauge of innovation around the world is patent or intellectual property (IP) filing. A news report in the East African Standard this week has a somber message for Kenyans that admonishes academics, companies and institutions for the low number of patents filed. According to the World Intellectual Property Organization, Kenya filed 71 patents in 2006 of which 24 were granted - 14 of these granted patents were filed by foreign persons/organizations in Kenya (That's over 50%!!!)
Even Kenyaentrepreneur makes mention of the low level of innovation in Kenya as noted from the impact of recent lower remittances on the Kenya economy. Remittances matter because current productivity is low and productivity is a direct function of innovation!
So why aren't there more IP filings in Kenya (both by Kenyans and others)? I don't believe there is a dearth of innovation for necessity is the mother of all invention - and there is A LOT OF NECESSITY in Kenya. Just look at the recently concluded student engineering exhibition or the annual Kenya High School's Science Congress. And how about this presentation by White African on technology developed by some very enterprising Kenyans!
But what keeps Kenyans from patenting their ideas so as to sell these ideas? I can think of 4 questions:
- Is it a question of entrepreneurial perspective i.e. wananchi (people) do innovate but fail to commercialize and take full advantage of their ideas.
- Is it a question of cost?
- Does patent filing really matter in Kenya i.e. do people know if and when they need to patent an idea?
- Is there any real IP protection in Kenya? Does the law have impetus or teeth to deal with such disputes?
Perhaps KIPI need to take the patent talk show on the road. There may be many who have fleeting understanding of patenting and need guidance but don't have time to fully research the issue. Or maybe patent lawyers could sponsor regional workshops on IP law - it could only bring them business ... right ?
Monday, September 29, 2008
Biologically Enhanced Solar Cells
Let's combine the hibiscus flower with the semiconductor chip ... yeah that would be a fun afternoon project .. at least to a cool professor Benard Aduda of the University of Nairobi UoN had decided to attempt such an act
Why?
Well a now there is interest in enlisting nature to help use make better solar cells. Since plants have been conducting photosynthesis for millions of years, well ... maybe getting some help from plants could take solar cell technology to a whole new level.
I found Prof. Aduda's profile while browsing through profiles and research work on the physics dept website of the University of Nairobi. Prof. Aduda and his research group are attempting to improve the efficiency of Titanium oxide semiconductor solar cells using anthocyanin pigments extracted from the Hibiscus.
Its all about creating the organic solar cell. Anthocyanin-based solar cells might not have the highest efficiency of solar cells but offer could potentially be the cheapest to manufacture thus making such photocells costeffective solutions to our energy plans.
I wonder who else in Kenya is involved in this research field?!
Why?
Well a now there is interest in enlisting nature to help use make better solar cells. Since plants have been conducting photosynthesis for millions of years, well ... maybe getting some help from plants could take solar cell technology to a whole new level.
I found Prof. Aduda's profile while browsing through profiles and research work on the physics dept website of the University of Nairobi. Prof. Aduda and his research group are attempting to improve the efficiency of Titanium oxide semiconductor solar cells using anthocyanin pigments extracted from the Hibiscus.
Its all about creating the organic solar cell. Anthocyanin-based solar cells might not have the highest efficiency of solar cells but offer could potentially be the cheapest to manufacture thus making such photocells costeffective solutions to our energy plans.
I wonder who else in Kenya is involved in this research field?!
Wednesday, September 24, 2008
Energy Storage
So its interesting to read about Safaricom's investment in energy storage systems in MarketWatch. Since Nov 2007, Safaricom has been trying out two 5kW VRB Energy Storage Systems (VRB-ESS) purchased through local group Winafrique Technologies Ltd., of Kenya at remote cellular towers.
Energy storage is a key variable in balancing the economical-renewable energy equation. The main problem with such renewable energy sources like sunshine (solar energy) and wind power is the variability of the power source. Effective energy savings are relalized by matching supply and demand - like collecting rain in a water tank that has a tap that can be opened or closed as required.
The basis of the VRB-ESS is a patented vanadium-based fuel cell. Considering the amount of sunshine available in most of northern and northeast Kenya, I would have assumed a few solar farms would have been established by now in that area - they have lots of free land and lots of sunshine thus solar farms don't have to compete with crops or domestic animals. The basic science behind VRB-ESS is quite simple and open. I think KenGen would be interested in partnering right?
P.S. -> a fuel cell is just a battery!
Actually, I wonder what Evereddy Kenya Battery company is upto - anyone in their R&D looking into this vanadium-based fuel cell technology?
And well known for their lead-acid car batteries, Chloride Exide company has engaged in renewable energy business supplying solar and wind based energy solutions. I am curious though as to whether they are looking at developing any large energy storage units to compliment their renewable energy solutions. They have the industrial base and decades of experience in battery manufacture!
Considering the importance of such technology (wind, solar and batteries) to Kenya's energy future, I would think that there is some relavant commerciable research work in Kenyan Universities. I think my next piece may look at some of any such Kenyan research work!
Energy storage is a key variable in balancing the economical-renewable energy equation. The main problem with such renewable energy sources like sunshine (solar energy) and wind power is the variability of the power source. Effective energy savings are relalized by matching supply and demand - like collecting rain in a water tank that has a tap that can be opened or closed as required.
The basis of the VRB-ESS is a patented vanadium-based fuel cell. Considering the amount of sunshine available in most of northern and northeast Kenya, I would have assumed a few solar farms would have been established by now in that area - they have lots of free land and lots of sunshine thus solar farms don't have to compete with crops or domestic animals. The basic science behind VRB-ESS is quite simple and open. I think KenGen would be interested in partnering right?
P.S. -> a fuel cell is just a battery!
Actually, I wonder what Evereddy Kenya Battery company is upto - anyone in their R&D looking into this vanadium-based fuel cell technology?
And well known for their lead-acid car batteries, Chloride Exide company has engaged in renewable energy business supplying solar and wind based energy solutions. I am curious though as to whether they are looking at developing any large energy storage units to compliment their renewable energy solutions. They have the industrial base and decades of experience in battery manufacture!
Considering the importance of such technology (wind, solar and batteries) to Kenya's energy future, I would think that there is some relavant commerciable research work in Kenyan Universities. I think my next piece may look at some of any such Kenyan research work!
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