People have a wrong mentality when it comes to kindle.The biggest myth is that it affects your eyesight, well it is actually the other way round, its the best this for your eyes. let me tell you why.
amazon kindle uses something called E-ink display. as the name suggests, yes kindle actually uses ink for display .this ink just arranges its self where the pixels are and what you see is just ink.
So how is E-ink implemented?
When laminated to a plastic film, and then adhered to electronics, it creates an Electronic Paper Display (EPD). Although advancing it may sound, electronic ink is actually a simple and straight fusion of chemistry, physics, and electronics. It’s so just like paper and utilizes the same pigments used in the printing industry today.
What really causes eye strain is the brightness produced by the pixels in the LED screens, well with the E-ink technology the device has no manual control for brightness as it adapts itself to the current environmental lighting just like a paper and just like a paper you can not read a Kindle in a dark room. having said all this we now understand its just like a paper and ink, so can a paper be bad for eyes? absolutely no! with the Kindle you can now read for hours and your eyes will be strain free.
My personal experience,
I have an amazon kindle paperwhite(5th gen) and it’s simply wonderful, at first it will be a bit difficult to understand it but soon you’ll get used to it and then in no time you’ll be addicted to it. amazing battery life, well-built quality, no distractions as in kindle you can only read books. quick access to goodreads.com, meanings of difficult words will be just at the top of it in small letters, so no need to click on a word and wait for its meaning to pop up, the best benefit of Kindle is: it is a one time investment as books available on Kindle are very cheap in comparison to hardcopy, also you save paper which is beneficial for environment, so no need to carry many books around with you if you have kindle, multiple books can be read at a time by using book mark, there is also a hightlight feature which will let you hightlight a line or a paragraph and it will be saved separetly for your later need. these small yet excellent features make kindle very special and worth the money. So if you are a bookworm its time you become a kindleworm.
It is defined as the use of living system for the production of goods and products .It is a branch of biology which deals with the technique of using live organisms, enzymes orbiological processes to develop products and provide services for human welfare.Making curds or bread which involves microorganisms can be considered as the oldest form of technology.we alsofind the application of fermentation in the production of wine and other alcoholic beverages.
Most of the biotechnological processes gradually became more sophisticated.They are being used toharvest various valuable materials like vitamins and antibiotics produced by microbes.Today biotechnology is undergoing resurgence in the wide range of applications.Biotechnology involves DNA manipulation s (recombinant DNA technology), tissue culture , protoplasts fusion, cell catalysis ,immobilizer enzymes , proteins engineering,etc.
Many techniques are included under biotechnology , for example ,in vitro fertilization leading to a’test tube’ baby , synthesizing a gene , developing a DNA vaccine or correcting a defective gene, etc.Advancement in plant tissue culture has enabled plants breeders to create new crops which grow more rapidly , require less fertilizer and thrive in poor soils.Many techniques included underbiotechnology have wide applications in the field of agriculture, medicine, chemical industry,pharmaceutical industry and environment.
The new definition of modern biotechnology given by EFB(The European Federt ofBiotechnology) is :’Biotechnolology is the integration of natural sciences and organism ,cells,parts thereof and molecular analogue for products and services.
BARRIERS TO SUCCESS IN 3D PRINTING
The market in 3D printing is growing day by day with new startups each month. This industry holds the potential to capture the major market in the coming future in the automobile, aerospace, jewelry, architecture, medical, foundry, the electronic industry as well as in the market of production of household items.
But there are certain limitations to the great success, faced by the 3D printing industry today, the barriers which should be broken by the industry in the near future to build their empire strong and competitive. So let us take a leap from the world of words to the real world and see what are the challenges faced by the 3D printing industry today which must be overcome.
Scale and Size
In 3D printing, only one item is produced at a time. To print multiple objects at a time you will need multiple machines working simultaneously like a DNC machine. The cost of a single 3D printing machine is much higher than a CNC machine working on the same material. All this means due to the restriction of high initial cost only one object can be produced at a time. Multiple items cannot be simultaneously produced on a 3D printer, this is not the only limitation with respect to scale and size. Another limitation is the size of the product or the object being printed.
If the polymer is produced, the majority of 3D printers which are present today can only print items measuring up to 1 cubic yard and only 1 cubic foot if the metal is used as the printing material.
3D Printed Objects May Require Heavy Duty Post Processing
If anyone has seen 3D printing live, will know that the finishing quality of the printed objects is not that good. These products cannot be used directly by the consumer without processing done on it. Also, the problem isn’t only the lack of surface finish or polish, it is more about the dimensional accuracy produced by these 3D printing methods.
3D Printing Belies Economies of Scale
The most advantageous benefit of 3D printing, the sword of this king is the fact that this process allows maximum customisation potential. Unfortunately, this same fact carries one of the more potent disadvantages of 3D printing. That is the absence of economies of scale.
In simple language economies of scale is the cost advantage gained by the manufacturers when they increase the size and scale of the manufacturing system. This means to improve the profit margins, a manufacturer can mass produce them. So, decreasing the cost per item he has to put in and increasing the profit.
Large Scale Adoption Will Result In Significant Job Loss
Let us take for example, in a factory two type of scrap material exit the belt. A worker separates the two and places them in two different containers. If now the company engineer automates this system by placing some kind of separating machine at the exit, then the owner can remove this worker, resulting in the loss 0f job by the poor worker. So an innovation in the present technology or the process ends up taking away jobs amongst the masses.
This has happened throughout the human history. It happened when industries automated their processes, the same happened during the Industrial Revolution, during the Digital Revolution, and surely will happen in the future too. The machine operators will lose their jobs with the development and availability of 3D printers.
3D printing is also known as additive manufacturing, which means building in additive fashion i.e. layer by layer addition of material from the ground up. While the technology is a major process breakthrough, there is a very limited number of materials today which allows 3D printing.
Some materials in which 3D printing is done are – ABS plastic, polyamide, epoxy resins, steel, wax, titanium and some more. The list seems interesting but very limited.
How small can you go in 3D printing? If you’re using a typical desktop 3D printer (or an industrial Stratasys FDM printer), the nozzle is about 0.35 mm in diameter. This means the sharpest outside corner that can reproduce is also .35mm in diameter, we cannot produce dimension less than this. On other precise systems, you could reasonably expect this figure to be around 0.116 to 0.175 mm in diameter.
Cost of Buying and Setting up A 3D Printer Is Very High
The cost factor is the biggest disadvantage of 3D printing. Yes, it is true that over its whole life a 3D printer pays for itself more than once, but the initial cost still remains something which needs to be put in once, at a time. Since the initial cost is such a high, the risk of setting a costly business comes free of cost.
For example, the top end 3D printing devices can cost between $300,000 and $2 million. Even the consumable items can end up costing a very high price ranging from $100 to $200 for every pound of material consumed.
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