Technology Blogs (216)

Some people buy drones and don't know how to use them. Here are some rules:

Blast it skype insisted on doing another of its interminable updates recently and I've just found that I am no longer audible. Checked both my skype and pc settings and can't fix it.

Can anyone give helpful advice?

I skype on my desktop computer and up to now, never a problem. The webcam is a plug-in and doesn't do audio, just video

(This luckily doesn't affect teaching, which I do on another computer, but damnit I enjoy my occasional skype calls)

The one eyed splitting trowser viper. Sure, the creator designed 'em, probably with a lot more smarts than any of us, no? And estimates are that fully 6% of the male population ( puffters) absolutely adore the little fellers. But what about you ladies. I've heard that some of you actually don't like the things, or maybe it's the way they look, operate, or that they come attached to us men, mostly. From time to time they certainly have brought some folks misery, but joy as well, no? A similar percntge of dyky ladies, and perhaps many more of the straight type, like the hard inanimate ones, for a variety of reasons and to various purposes. And most of these don't look at all like the live item. What gives here?

Conventionally, wheat is milled in paddy separator which simultaneously remove outer bran layers and germ from the wheat kernel or berry and reduce the size of the starchy endosperm. A typical paddy separator will include a sequence of counter rotating opposed rollers which progressively break the wheat into smaller and smaller sizes. The output from each pair of rollers is sorted into multiple streams, typically by means of sifters and purifiers, to separate the bran and germ from the endosperm, and to direct coarser and finer fractions of the endosperm to appropriate rollers.

The prepared grain sample flows through an adjustable feed gate over the feed roll to the first pair of break rolls and from there, without intermediate sifting, to the second pair of break rolls. Subsequently, the material goes directly to the reduction section. Here, the second roll of the second break head operates against the fine corrugated roll of the reduction section. The closed grinding process with extremely small roll diameters and the resulting short grinding zone, together with the self-grinding effect of the grain particles among each other, ensure maximum separation of the endosperm. The short grinding process corresponding to the elasticity of the bran prevents splitting up of the bran. After having passed the last pair of rolls, the material drops into the round sifter.

Practical implications grain structure relate to every step from grain development and production through market ing to processing, utiliza-tion, and consumption. The structure and adherence of the hulls may contribute to protection of grain during germination or malting and protection against insect infestations. Germ retention during thresh-ing and separation during processing depend on the germ structure and location in the kernel. The subaleurone and central endosperm layers differ in cell size , shape, and structure and in composition, especially with regard to protein contents and quality. The main factors in grain hardness are the intrinsic hardness of the main components, the strength of interaction within the cell, and the interaction of individual cells to produce overall grain structure.

The husking performance of different paddy husker was compared for changes in the applied normal load. It was found that grains rotate between the rubber counterfaces on initial motion before being husked. In addition, harder rubbers were found to husk a higher proportion of entrained grains at lower applied normal load. By measuring the coefficient of friction between rice and rubber samples, the shear force required to husk a given percentage of grains could be calculated and was shown to be constant regardless of rubber type. Based on the mechanism seen in the high-speed video, it was evident that there was a limiting shear stress that was the governing factor over the husked ratio.

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Paddy husker is a machine that is used to automate the processing of removing the chaff (outer husks) of rice grains accurately and with minimal breakage. Throughout history, there have been numerous techniques to hull rice. Traditionally, it would be pounded using some form of mortar and pestle. An early simple machine to do this is a rice pounder. Later even more efficient machinery was developed to hull and polish rice. These machines are most widely developed and used throughout Asia. The paddy husker(rice huller) realizes the hulling purpose through press and twist force between a pair of rubber rolls and by weight pressure. Rubber rollers may be used to reduce the amount of breakage of the grains, so increasing the yield of the best quality head rice. The hulled material mixture is separated into brown rice and rice husk by air force in the separating chamber.

The paddy rice is parboiled before the milling process. When the paddy is fed into the hopper of the dehuller, the blade is adjusted to the diameter of the paddy. The impaction led to the removal of husks and the blower separates the shaft from the rice. The rice and other impurities enter into the sieving bed of the vibrating sieve where the pebbles are separated from the rice.

Poor mastery of parboiling and milling techniques as part of major factor exacerbating rice quality problems, resulting in low market price, which in turn led to very low returns to rice processing activities. It was clear from his study that the major challenge to improve rice quality was the development of low cost but technically efficient and cost effective parboiling and milling technologies. Careful drying after harvest, threshing and parboiling is essential to prevent mould formation, discoloration and fermentation of the rice paddy. The milling stage is the point where actual dehulling (or dehusking) occurs. Dehusking is the removal of husk or hull. The rice milling operation is the separation of the husk (dehusking) and the bran (polishing) to produce the edible portion (endosperm) for consumption. There are mainly three methods of rice dehulling (or dehusking) in Nigeria. These are traditional or hand-pounding method, the small-mill processing method and the large-mill processing method.

Paddy separator is mostly used to separate product on the basis of the differences in their sizes and multi screen separators are used for classifying grains to size grades. Some screen separators incorporate fan to remove light particles.

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Paddy cleaner is used for removing various large, small and light foreign objects from grain. Uses a vibration motor as the vibration source and has stable operation and high reliability. Even sealing to prevent dust overflow results in a good operational environment. Having compact structure, low noise and low power consumption.

The color sorter are used in the wheat cleaning to remove ergot wheat, black tip, fusarium, burnt, other discolored grains and other inner contaminants. Today’s advanced color sorters are robust, compact, requires less maintenance and consumes very little energy. The color sorting has come of age and should be considered for inclusion in any modern wheat cleaning plant. Optical sorters are taking the place of traditional disc and indented separators in the wheat milling process.

Under the strict supervision of our experienced professionals, we are offering a wide collection of paddy cleaner. It is provided with rotary drum for removing straw and oversize impurities. Our offered cleaner is available in a variety of sizes and other such specifications to choose from. The cleaner offered by us is precisely designed at our highly advanced manufacturing unit following industry defined guidelines. The offered cleaner can also be availed from us at the industry leading prices.

Rice destoner removes stone using a series of webs (between two and five webs). The stones stay on the web and the clay falls through it. The stones travel through the machine and the bigger stones fall into a boulder box and the smaller stones fall onto a cross conveyor and in turn fall into a trench. On the next pass the tractor tramps these stones down.

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In the United States for 5 decades the standard knife of the working man was of two basic types. One either carries a multi tool which is similar to a Boy Scout knife in concept but also includes a reasonably sturdy folding plier such as the Leatherman, OR, one carries a folding knife of the Buck 110 type (or a clone of).

Some working men have one of each type
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The Buck 110 has earned a place as a classic. They retail for about $35 on Amazon.com The 3 3/4" stainless steel blade is that of a small sheath knife and it can be honed to razor sharpness. When opened the blade locks into the open position so that it will not slam shut on the owners fingers when doing heavy cutting or slicing tasks. The handle to which the blade folds is made of Rosewood with brass bolsters. The clip point blade allows fine detail cutting while the 0.12" blade thickness allows some force to be safely applied when levering. There have been literally millions of them sold. Although initially intended for outdoorsmen who wished to have a reasonable hunting and camp knife without wearing a sheath knife, the design gained immediate acceptance amongst the construction tradesmen as well as other industries in which a good knife is often an important accessory to the workman's kit or tool belt. You will find these knives in a belt pouch or a pocket of construction workers, mechanics, farmers and outdoors workers across the nation. In addition to the Buck brand name stamping on the ricasso of the blade there is also a date code which allows collectors to identify the year of manufacture. Some folks care about that, even though a Buck 110 made in 1963 is otherwise identical to one made in 2018. The complaints about the 110 design are only a few, but they do exist.

A) Learning to open the knife one handed requires a fair amount of practice and a blade pivot mechanism that has been opened and closed enough times so that it is no longer stiff. Once the technique is mastered though any Buck 110 requires only a soft flick of the wrist to open and lock the blade into position.
B) The knife is not light. It ways 7.2 ounces, almost half a pound. The handle is 0.6" thick.
C) The locking mechanism can wear and fail with time. It usually takes about 5 years of daily use 3 or 4 times a day, but eventually the edges of the locking notch can become rounded enough to fail under pressure along the spine of the blade. If your Buck 110 is razor sharp this can result in sudden pain and blood (and or finger) loss.
D) The knife's edge can be used for shaving insulation off wires, and if a copper wire is thin the knife can cut through it. However, the knife was designed for slicing softer materials and cutting wires or cables will place nicks and dull spots on the blade's edge and resharpening is probably needed after a day spent cutting phone wires or picture hanging wire.
E) There is no way to disassemble the knife for thorough cleaning. Usually however a spray of hot water can be used to flush debris out of the channels.

The energy revolution is one of the biggest opportunities of our time. If I had to start all over again, I think that’s where I’d put much of my time and resources.
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VIRGIN -- Watching the DS Virgin Racing team really brings home how far we have come and how the energy revolution is really underway. Formula E is a great example of how competition is driving forward huge innovations.

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I’m often asked how the energy revolution affects Virgin’s strategic thinking and how we do business on a daily basis. As an investor and entrepreneur, I’ve never seen a more compelling business case than the one presented by the development of more energy-efficient systems. The falling costs of renewables and batteries make cost-effective, clean electricity unstoppable and essential to the transition to a low carbon, energy-abundant world.



I think it’s important for all businesses to treat climate action as a long-term investment rather than a short-term expenditure. Taking action now, from investing in renewables to more energy-efficient production, will not only make your business more resilient, it will also make you more competitive. A dollar spent now on clean energy, is a thousand dollars saved in the future.



In the Caribbean, where I live, building decentralised grids powered by solar and wind will help slash generation costs and make island communities far more resilient to natural disasters, like Hurricanes Irma and Maria last year. It’s a positive shift. It gives people more choice and control, and makes the local environment cleaner, along with the planet as a whole.



One of the most exciting developments I’ve noticed is consumers are becoming increasingly aware of energy issues, and demanding answers and positive action from businesses. What sources of energy do you use? What is your energy footprint? What are you doing to be more sustainable?



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Virgin is doing some really exciting things in this space. As a Group, our activity covers a lot of sectors, including some where we are still big carbon emitters today: aviation, space travel and more recently, cruises. But we’ve set some pretty ambitious goals, and the most important one is to reach net zero emissions by 2050, ideally a lot earlier. We want to push our companies to become leading examples of business action on climate – even our top emitters.




Take aviation. I think this is one of the sectors with the greatest potential for innovation. Virgin Atlantic, for instance have made great progress in reducing the carbon footprint of every flight. Last year, Virgin Atlantic announced a 22 per cent reduction in aircraft carbon emissions over the last nine years. The majority of these emissions reductions have come thanks to our multi-billion fleet investment in more efficient aircraft (Boeing 787, A 350), as well as from operational improvements including optimized aircraft maintenance, cleaning and new flying techniques. VAA are also on the cutting edge of renewable fuel development, thanks to their brilliant partnership with LanzaTech, who turn industrial waste gases into commercial jet fuel. The project is now incredibly close to becoming a reality – with the potential to deliver big carbon savings.



We’ve also incubated a number of projects with Virgin Unite, our entrepreneurial foundation. We set up the Carbon War Room in 2009 to work with the most polluting industries to reduce their carbon footprint. They merged with Amory Lovins’ Rocky Mountain Institute in 2014. Today, ‘Global Energy Transitions’ is one of RMI’s core focuses. Their ‘Islands Energy Program’ is accelerating the transition of 13 Caribbean island economies to local, renewable energy and creates a blueprint for other

Google has just informed me they are updating their privacy policy, not to worry, they say nothing will change! Well of course not! They will continue ripping off our private details and following us wherever we go. Use Duck Duck Go instead people.

Who invented it?
Who owns it?
How does it work? (what makes it possible)

I was talking with a gentleman the other night. Out of nowhere he starts talking about today's society. He says in his opinion, we were introduced to too much technology, too soon.

What do you think?