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Selasa, 23 April 2019

New Technology April 23, 2019

CHINA TECHNOLOGIES TO PROVIDE ENOUGH FOOD TO OVER 1 BILLION PEOPLE PART 4 of 8

Our fourth destination is also about greenhouses but in Tibet. Use your Google Earth and navigate to any town in Tibet. You will always find greenhouses.

Location 4: Lhasa, Tibet, China (29°41'52.3"N 91°09'18.6"E)

I mean, the Chinese government has also forced Tibetans to build a massive amount of greenhouses on the Tibetan plateau. Those Tibetans have no time to go to temples for worshipping any more, instead, they have to work in the greenhouses taking care of tomatoes. This is why Dalai Lama is not so happy to hear this.

As a result, the average vegetable prices in Tibet have reduced 90% over the past decade and they don’t have to import vegetables from nearby provinces anymore. Most of the Tibetans can finally afford eating watermelons. Who doesn’t like eating watermelons?

You know that most Tibetans historically only eat yak meat, milk, cheese, and bread. They couldn’t grow anything in such a harsh climate. Only monks could have the luxury to eat vegetables. Now it is the solid proof that the Chinese government has destroyed Tibetan culture and forced all of them to eat vegetables and fruit.

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Isnin, 22 April 2019

New Technology April 22, 2019

CHINA TECHNOLOGIES TO PROVIDE ENOUGH FOOD TO OVER 1 BILLION PEOPLE PART 3 of 8

Our third destination is the great plain area in Shandong province.

Location 3: Shouguang, Shandong, China (36°44'15.9"N 118°44'14.7"E)

If we zoom in, we can find millions of reflecting “shiny” houses on the plain area. Try looking around, it is “everywhere”.

What are those? They are greenhouses designed to provide regulated and controlled conditions such as temperatures and humidity for vegetables and fruits to grow.

In the greenhouse, you can grow all kinds of different vegetables and fruits several times per year regardless of the time of the year. That means you can get several times more vegetable and fruit yield compared to a normal field.

For example, you need at least 52 days to grow lettuce from seeds until you can harvest them in a greenhouse. That means you can grow 7 times each year. That is 7x efficiency.

Therefore greenhouses can significantly improve agriculture output in a limited space, which sounds perfect to the Chinese. Eager for promotion, local Chinese government officials in Northern China have therefore forced their constituency —the local farmers to install greenhouses with loans from the “Chinese Rural Cooperative Bank”.

What’s worse, they also forced them to install IoT based surveillance system in their greenhouses. Farmers are forced to be taught in a “reeducation camp” to use their mobile phones to monitor the status in the greenhouse including CO2, light strength, soil temperature, etc.

As a result, according to the Food and Agriculture Organization of the United Nation, the vegetable and fruit production and consumption of China is around 700 million tonnes, which is 40% of the world consumption. Compared to India (180 million), China achieved a 3.8x amount of vegetable and fruit production, despite the fact that most of the population in India are claimed to be vegetarians, despite the fact that the arable land in China is less than India. The secret key is the greenhouse.

Thanks to the greenhouses, the Chinese can enjoy much cheaper and much more variety of vegetables than any other country in the world all year around. You can check from the Wikipedia, basically, China tops the chart in almost every kind of non-tropical vegetable production, far outpacing the second place. There are vegetables that are not ranked because they are only specific to East Asia, such as the “garlic chives” (韭菜).

Similarly, for fruit production, China tops the global chart in almost every kind of non-tropical fruit production, far outpacing the second place as well.

I was once been pranked and called as “racist” when I invited a black friend for a summer BBQ with lots of watermelons. I proved my innocent by showing him these statistics:

In Japan, a watermelon typically costs 2000 yen ($18) and in China, you can afford a much larger watermelon just in 10RMB ($1.5). And watermelon in China is sweeter if it is grown in Xinjiang. If you love watermelons or any other melons, come to China, especially Kumul in Xinjiang.

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Jumaat, 19 April 2019

New Technology April 19, 2019

CHINA TECHNOLOGIES TO PROVIDE ENOUGH FOOD TO OVER 1 BILLION PEOPLE PART 2 of 8

Our next destination is the vast flood plain of between the Yangtze River, Taihu Lake, and Qiantang River. Thanks to the abundance of fresh water carrying nutrients from the river upstream, this area is so productive that it has raised over 100 million people here. And it is one of the most densely populated areas of China. This area is very similar to the flood plains in Bangladesh, West Bengal in India, Saigon in Vietnam etc.

What have the Chinese done differently compared to other densely populated flooded plains in India and Bangladesh?

Location 2: Nanxun, Huzhou, Zhejiang, China (30°46'14.5"N 120°09'02.9"E)

Instead of growing rice, the Chinese have been growing a variety of “water food” that can sell at higher prices and makes them get richer than growing rice. If you zoom in, you will find millions of fish ponds instead of rice fields. Besides the fish ponds, you might identify lots of green trees grown around them.

These trees are mulberry trees used for silkworm farming. Over the past two thousand years, the Chinese have developed many sophisticated and sustainable agriculture ecosystems around these areas. One most famous eco-cycle is the fish-mulberry tree-silk cycle as shown in the following graph:

Chinese farmers have been exploiting the ecosystem in fish, silk farming for thousands of years without knowing the concept of “sustainable development”. Nowadays, it is evolved into multiple cycles of “recycling” on the same land:

However, in order to raise more fish in the pond, you need an additional aerator that pumps air into the water, otherwise, the fishes would not have enough space to breathe. In the following picture, the aerator is the white dot in the centre of each pond.

Having an aerator requires every fish pond to be connected to electricity. How to generate electricity for the aerators? Yes, you are right: add solar panels on top of the fish pond.

From Google Earth, it is found that solar panel fish ponds are already taking over some of the traditional mulberry fish ponds in China. Some of the areas in Huzhou area have already been placed with solar panels.

Local fishermen and farmers are actually forced to learn the latest solar technology and sustainable techniques provided by professionals from the local Chinese government.

Why are the local Chinese governments so eager to promote high tech to the local farmers? In order for an official to gain promotion to the next rank, he has to demonstrate his “government performance”. Solar panel fish pond is one of the best indicators for “promotion” as it fits well in the sustainable development initiative.

From this, you might have understood why China has dominated the world’s silk production (84%), freshwater fish production (66%) and solar energy generation (25.8%). In the Zhejiang, Jiangsu area, rural people eat fish almost every day. Some say that’s why people from these regions are more clever than other regions of China.

Eco-cycle option 2: lotus root - fish

In the fish pond, you can also grow other kinds of vegetables meanwhile raising fish. One of the most widely grown vegetables is the lotus root. China lotus root production is 11 million tonnes which accounts for 90% of world production and 60% of the world export. Not only Chinese like to eat them, but most of their lotus roots are also exported to Korea, Japan, and Vietnam.

Lotus roots are one of my favourite vegetables too, I do hope China can promote the rest of the world to enjoy this delicious root as well.

Eco-cycle option 3: canola oil - bee- fish & crab

You can also grow rapeseed using the same principle. Instead of using fertilizers, at each winter, Chinese farmers dig the “nutrient mud” from the bottom of the water and stack on the bank. And then they grow different plants such as rapeseeds or taros on the mud. After thousands of years of continuous cultivation, the field has become something like this:

Location: Duotian(垛田镇), Xinghua, Jiangsu, China 32°56'51.9"N 119°51'50.4"E

There is no road. You can only navigate around using boats. Of course, that is why China is also the leading world producer of rapeseed oil (22% of global production).

Not to mention the massive beekeeping industry that thrived on the rape flowers in China, China takes over 30% of the global honey production.

Actually, one-third of the honey consumed in the US are directly or indirectly from China. To avoid tariffs from the US, Chinese honey exporters would first export their honey to India, Philippines and Malaysia. Then they change labels and alter them to domestic production and sell them to the US. I’m sure this happens to other products too.

Besides honey, this area is also where the most famous Chinese mitten crab grew. They can sell at $60 per kilo, therefore only the middle-class Chinese can afford this.

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Khamis, 18 April 2019

New Technology April 18, 2019

CHINA TECHNOLOGIES TO PROVIDE ENOUGH FOOD TO OVER 1 BILLION PEOPLE PART 1 of 8

Seeing is believing. Open your Google Earth and have a look at what is really going on in China from above. Western media won’t normally tell you about this. I will guide you through and point you where to look at. Here are the coordinates:

Location 1: Ningde Bay, Fujian, China (26°43'02.8"N 119°57'45.2"E)

Our first destination is the coastal area in Fujian province.

If we zoom in, we can find millions of floating houses and cages on the sea surface.

If you look around the coastline from Zhejiang province to Guangdong province along the 1000 miles, you can see those floating cages are virtually “everywhere”.

What are those? They are actually Chinese “seafood farms”.

Instead of going out to the oceans and catching wild seafood, why not stay in the same place and raise your own seafood? And you can actually make more money with much less effort from raising fish, shrimps, crabs, lobsters, clams, etc.

It is not just “sea”, the Chinese farmers would find any possible open water such as reservoirs, rivers, lakes for farming their seafood/freshwater food.

Imagine each of the cages contains tens of fishes and crabs. That’s A LOT of FISH!

So how much seafood does China consume?

It is estimated that the global demand for seafood consumption is 143.8 million tonnes per year and China alone has the largest seafood consumption (65 million tonnes, 45% of global consumption), followed by the European Union (13 million tonnes), Japan (7.4 million tonnes), the United States (7.1 million tonnes) and India (4.8 million tonnes). (Source: EU SCIENCE HUB)

As we know, both China and India have a similar population but China consumes 12 times more seafood than India, despite the fact that India is in a better geographical position surrounded by warmer ocean in a tropical fishing-rich region.

Among the 65 million tonnes of seafood consumed in China, only 15 million tonnes are caught from the wild, the rest of 50 million tonnes are all raised by aquaculture “farming”. In contrast, 90% of Japanese seafood consumption is from wild catch. Thanks to seafood farming, normal Chinese families can afford cheap seafood in their daily meal. This is a typical family get-together dinner settings: You can see lots of them are seafood!

This vlog shows how a bigger Chinese family enjoys steamed seafood. The whole table just costs around $120 US dollars.

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Khamis, 7 Mac 2019

Internet Mac 07, 2019

9 SOVEREIGN COUNTRIES DON'T HAVE AN AIRLINE

Which countries don't have an airline? There are currently 9 sovereign countries without an airline.

🔔 Andorra - There are no airports in Andorra, so there are no airlines based there.
🔔 Barbados - there used to be 3 airlines based in Barbados: Carib Express, REDjet, and Trans Island Air. However, they’ve all ceased operations, with the most recent being startup airline REDjet ceasing on 2012. However, there are still 14 foreign airlines flying from Canada, America, the UK, Germany, Panama, and many Caribbean countries to Barbados via Grantley Adams International Airport.
🔔 Liechtenstein - There are no airports in Liechtenstein, so there are no airlines based there.
🔔 Micronesia - There used to be an airline named Air Micronesia (later known as Continental Micronesia) based there, which was a subsidiary of Continental Airlines. However, after the United-Continental merger, United Airlines took over all Continental Micronesia operations on 2010. There are 4 international airports in Micronesia. They are in Chuuk, Kosrae, Yap, and Pohnpei. Air Niugini, United Airlines, and Nauru Airlines have services to Micronesia from Papua New Guinea, Marshall Islands, Hawaii, Guam, and Nauru. They also operate domestic flights within Micronesia en route to their base country.
🔔 Guinea-Bissau - Guinea-Bissau used to have a national airline called Air Bissau, but they ceased operations in 1998. However, ASKY Airlines, euroAtlantic Airways, Royal Air Maroc, TAP Air Portugal, and Transair operate flights from Senegal, Togo, Portugal, Cape Verde, and Morocco to Osvaldo Vieira International Airport, the only airport with commercial flights in Guinea-Bissau.
🔔 Liberia - There used to be an airline based in Liberia named Air Liberia. However, they have ceased operations since 1990. However, 6 foreign African airlines and 2 European airlines (KLM and Brussels Airlines) operate flights from Ghana, Ivory Coast, Nigeria, Belgium, Sierra Leone, Kenya, Netherlands, and Morocco to Roberts International Airport, the only airport with commercial flights in Liberia.
🔔 San Marino - There are no airports in San Marino, so there are no airlines based there.
🔔 Tuvalu - There has never been an airline based in Tuvalu. However, Fiji Airways operate flights from Nadi and Suva in Fiji to Funafuti International Airport, the only airport in Tuvalu.
🔔 Vatican City - There are no airports in Vatican City, so there are no airlines based there.

Despite Monaco not having any airports, they have two airlines based in their country: Monacair and Heli Air Monaco. This is because they have a heliport, and Monacair and Heli Air Moncao operate helicopter services from Monaco to nearby French cities.

Original information from Quora Digest

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Rabu, 6 Mac 2019

General Mac 06, 2019

SEJARAH SISTEM SUSPENSI

Pereka gerabak dan kereta pedati pada abad ke-16 cuba menyelesaikan masalah "merasakan setiap benjolan di jalan" dengan menggunakan tali kulit untuk menggantung badan kereta yang dipasang pada empat tiang casis yang kelihatan seperti meja terbalik.

Kerana badan pengangkutan ini digantung dari casis, sistem itu dikenali sebagai "penggantungan" - istilah yang masih digunakan sehingga hari ini untuk menggambarkan keseluruhan penyelesaian. Penggantungan badan yang lasak bukanlah sistem peluncuran yang sebenar, tetapi ia membolehkan badan dan roda kereta bergerak secara bebas.

Reka bentuk pegas yang berbentuk semi-elips, juga dikenali sebagai springs, dengan pantas menggantikan sistem penggantungan tali kulit. Penggunaan sistem ini semakin popular pada gerabak, kereta dan kereta api, spring semi-elips sering digunakan pada kedua-dua gandar depan dan belakang.

Walau bagaimanapun, mereka membenarkan pergerakan ke hadapan dan ke belakang dan mempunyai pusat graviti yang tinggi. Dengan kenderaan yang lebih berkuasa berada di jalan raya, sistem lain yang lebih cekap sedang dibangunkan untuk melancarkan perjalanan untuk penumpang.

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Sixteenth-century wagons and carriages tried to solve the problem of "feeling every bump in the road" by slinging the carriage body from leather straps attached to four posts of a chassis that looked like an upturned table.

Because the carriage body was suspended from the chassis, the system came to be known as a "suspension" -- a term still used today to describe the entire class of solutions. The slung-body suspension was not a true springing system, but it did enable the body and the wheels of the carriage to move independently.

Semi-elliptical spring designs, also known as cart springs, quickly replaced the leather-strap suspension. Popular on wagons, buggies and carriages, the semi-elliptical springs were often used on both the front and rear axles.

They did, however, tend to allow forward and backward sway and had a high center of gravity. By the time powered vehicles hit the road, other, more efficient springing systems were being developed to smooth out rides for passengers.

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