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June 16, 2012
The LED chip industry flourished in China as the government provided capital subsidy to small companies to buy MOCVD tools which help in making these chips. […]
January 11, 2012
Train Accidents in India are starting to happen with surprising regularity with hardly a month passing by without a major collision or accident. Small accidents seem to be happening every day with news report of a collision not generating any mindshare these days. Road Accidents in India too happen with great regulatiry with some estimates of 1000 Road Deaths happening in India every day . This is due to government and people apathy towards safety regulation and following of laws and norms. It is just not resticted to trains but encompasses the entire system such as fire safety etc. Without a major change in the people attitude towards safety regulation expect such accident and waste of human life will continue to happen.
July 6, 2011
A light-emitting diode (LED) is a special type of semiconductor device that emits visible light when an electric current passes through it. It has two sides - one with an abundance of electrons called “n-type semiconductor" & the other with bunch of holes that need to be filled by electrons known as "p-type semiconductor ". With the help of these p-n junctions, these semiconductors can control the direction of the flow of electricity. The LED works on the principle that when electrons lose energy, they move from a higher orbit to a lower orbit. The energy lost is in the form of light photons. The color of the light emitted depends upon the frequency of the light photon released. The higher the frequency, the greater is the energy release. Gallium nitride is the light emitting ingredient in LEDs. It is used in the sapphire-based blue and green LEDs. Its practical application is in traffic signals & in lasers in high-definition DVD players.
July 6, 2011
LED TV is an LCD TV that uses LEDs to illuminate the display. these new sets use LED backlights rather than the fluorescent-type backlights used in most other LCD TVs. LED-backlit LCD TVs cost twice more than standard LCD or plasma TVs. Because of the slim line design of these LED tvs not only is less packaging used, but the vast reduction in overall weight means reduced transport and fuel costs. Most of the LED TVs are mercury free making them extremely eco friendly.
July 5, 2011
xit Sign is an important legal safety requirement, in case of any emergency like fire in any building. An LED exit sign is an illuminated sign that uses LED light to illuminate the word “EXIT. The traditional incandescent & fluorescent technology that are used, consume large amounts of energy & also require frequent maintenance. Since these signs operate 24*7, there is a need to replace incandescent bulbs with efficient models with long lives to help reduce maintenance cost and effort. They offer savings of up to $300 per sign in reduced energy, materials, and labor costs as compared with standard incandescent models. LED exit signs are an array of very small LEDs either red or green in colour arranged in a line or circularly. Many exit signs come with a battery backup since they need to remain lit at the time of emergency, when a building's power is interrupted. It is a good option that buyers should look for. LED exit signs work at 120V or 277V. Exit sign manufacturers have made these products available at very competent prices. They are also easy to install. LED exit signs need to be approved for use by UL (Underwriters Laboratories) and should be compliant with local and federal building codes.
April 5, 2011
Note none of the Indian automakers has a decent EV or a Hybrid selling in the Indian market.Foreign markets on the other had are seeing fierce competition amongst major auto makers to gain a first mover advantage.GM,Nissan,Toyota are the leader in this market with other car makers also in the process of getting in.Hectic alliances and JVs are being forged as this market segment promises to be the fastest growing as the governments give massive subsidies and push.It remains to be seen whether the government in India can push given its record.
March 1, 2011
India's Transport Policy is an unmitigated disaster with traffic congestion frequently killing people.The lack of roads and traffic planning has made transport in Indian cities a daily monstrous headache for commuters.The use of modern transport which does not cause pollution and reduces congestion is the need of the hour.The government seems to be moving slowly in that direction.While MNRE had announced a capital subsidy for Green Transport earlier,the Finance Minister cut excise and custom duties on Green Vehicles as well.India's Union Budget did not have much for the Green Industry except a piffling Rs 200 crore fund for the environment and the cuts of duties for EVs.
December 20, 2010
India's top leaders don't have to suffer from the daily travails of monstrous transport problems as their security convoys have the roads cleared for them.Even a minor functionary has red lights blazing on the top of their security cars and flouting all traffic rules as policemen salute and clear the way.There is no concern about the plight of normal people who on top of the daily traffic jams have to face an additional ordeal due to the stoppage of vehicles for the passage of the VIP entourage.Even ambulances and emergencies are not spared as a person died of a heart attack after getting stuck for 30 mins.Note people dying in traffic jams has become a normal thing in India these days as serpentine traffic jams make it almost impossible for ambulances to transport time critical patients on time.Indian cities have become traffic hells as motorists fail to follow any traffic rule or regulation.Policemen trying to correct errant drivers are frequently beaten up by taxi/auto unions .Red lights are not followed by a lot of the vehicles and traffic rules exist only on paper.Huge numbers of casualties are reported every year which are easily preventable.But for a totally corrupt bureaucracy and police,these problems are not a concern at all.
November 13, 2010
4) Parking Fights - Most of Indian cities are unplanned without any parking for most houses.This leads to a huge problem in terms of illegal parking.Even Legal Parking sees fights between neighbours leading to fights and sometimes even deaths.With thousands and millions of car hitting the roads every day and month,the problem is growing even more acute.No solution in sight as Indian politicians happily line up their pockets in corruption scams.
Summary
India's Transport Policy is a total mess with no solution in sight.Public Transport is not given enough money or resources to make a difference while Indian auto companies are making huge profits.Construction of the recent Metro Railway to Delhi's satellite city of Gurgaon has already been filled to capacity not reducing the pressure on the main highways which remain chock a block with cars 24 hours a day.India needs to massively invest in public infrastructure and dis-incentivize private modes of infrastructure like cars through congestion and fuel taxes.
September 5, 2010
Indian Cities are in general totally unorganized with drivers being scant attention to traffic rules.Space constraints make most cars park illegally as there are no garages.In India's Capital Delhi,it is a common sight to see fight between neighbours for parking spaces.Some of these fights have even led to murders and jail terms.Road Rage has become common malaise as nobody follows traffic rules and jams stretch on for hours.Indian cities are seeing a huge influx of cars on a daily basis with little expansion in road infrastructure.Sick people are known to have died in traffic jams as ambulances can't navigate the serpentine jams.