If we have the appropriate "tools", is it possible to gradually approach the infinite? Can we get nearer and nearer, and at some moment touch the infinite? Without theological considerations, of course, because here we are talking about the mathematical infinite, not the theological infinite attributed to some celestial beings.
The infinite is a tricky and deceiving concept. And add to this that mathematicicans say that there is an infinitude of infinities.
Although Shoemaker is also credited for the co-discovery with his wife astronomer Carolyn Shoemaker (1953-) and astronomer David Levy of the comet Shoemaker-Levy 9, there is another aspect of his life that I consider more transcendental than his discovery a comet.
Eugene Shoemaker is also the first and only human whose ashes have been taken to the Moon.
It was an act of love from Carolyn, possibly a unique act like no other in the history of mankind. Carolyn convinced NASA that part of Shoemaker's remains should be sent to the Moon, toghether with an inscription from a poem of Shakespear.
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Some facts are in order to understand why hydrogen is so important as a source of energy:
Hydrogen is a high mass energy density non toxic gas. Hydrogen is one of the most abundant elements in the biosphere. It can be easily produced from water, biomass, biogas, natural gas or from any other fossil fuel.
However, making solar cell panels uses a lot of contaminants; so how much cleaner is solar energy?
Pyramids, eagles, goddesses, and frogs —even Santa Claus. These are just a few of the images that have appeared on American currency over the past three centuries. The pyramid is composed of 13 rows of building blocks, on the first of which are the Roman numerals representing 1776. The Latin inscription Novus Ordo Seclorum translates to 'A New Order of the Ages.' Some of these symbols are no longer used, but many of them can still be found on present-day U.S. notes and coins.
Any tridimensional object can be sliced into several thin slices such that when they are put together again they make the original body. This is exactly what the 3D-printing technology does. Then, almost everything that surrounds us can can also be duplicated with a 3D-printer. And of course, all models come-out in true tri-dimensions, so we need no 3D-glasses to view them!
Some sources claim that 3D-printing is an industrial revolution in itself like the printing press and the steam engines was. Manufacturing will be revolutionized in an unimaginable way.
The big jump of credit cards is that contrary to paper money, credit cards can be used to buy products no matter the distance of the supplier, no matter the hour of day/night, no matter the transaction language, no matter the gender or age.
But credit cards are subject of many frauds, alterations, defacings, stealings, etc. Credit cards are like the golden pebbles of the past Wilds West.
However, even when everything goes OK with credit cards, its the cardholder that misuses them.
Metamaterials are often associated with negative refraction and this property has gained substantial attention because of its potential for cloaking invisibility devices and microscopy with super-resolution. The potential of nanotechnology and material science to realise designs at a very small scale offers a very promising alternative.
But no matter the bright future of metamarials, nanotechnology is a risky science and the civilian is unaware of its potential dangers.
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Are you dreaming of going to college, or are you in need of finishing a career you began years ago? Do you need to go a step further in your education and want a higher degree above the one you already have? Any decision you take now must be weighted against the time you will need to complete that goal, and the costs of reaching that goals.