Sentences with phrase «points in the past century»

At various points in the past century, leaders have hyped new technologies in schools, which have generally failed to meet the lofty expectations.

Not exact matches

And, as Becker points out, the travel industry has exploded in the past half century, aided by open borders since the end of the Cold War, new long - haul airplanes, and more western comforts in far - flung locations.
Gross adds that the global monetary system, which has evolved and morphed over the past century but always in the direction of easier, cheaper and more abundant credit, may have reached a point at which it can no longer operate efficiently and equitably to promote economic growth and the fair distribution of its benefits.
But as I noted last week (see Two Point Three Sigmas Above the Norm), nominal growth and interest rate variations have historically canceled out over the past century, with little effect on the accuracy of our valuation estimates — matched reductions in the growth rate and the discount rate really don't affect fair value.
It is possible to point to very significant advances within the past century, both here and in other nations.
Only after this judgement was fulfilled one finds John describing the vision of the New Heavens and New Earth — which John Lightfoot and others pointed out in centuries past was the prophetic imagery of the New Testament dispensation.
I once read an article that talked about the radical changes in parenting and child - rearing expectations over the past century, and the author used the financial terms of asset and investment to make her point.
But he pointed out that «in other sciences, in the past half century the Master's degree has been relatively undervalued in favor of the Ph.D.» Carol Lynch, director of Professional Master's Programs at the Council of Graduate Schools, elaborated on that idea.
EOS scientists have earlier pointed out a large earthquake may occur any time in this area southwest of Padang — the only place along a large fault where a big earthquake has not occurred in the past two centuries.
Life here began in Old Town, with its medieval roots; society was very different back when this part of town was still fresh faced and spry, though some of the old inns still stand if you feel like sampling a date from the heady and seductive Dark Ages... Then take a stroll through New Town, dripping in Georgian decadence; here, you will be reminded that once upon a time the dating scene was a raucous, dangerous place, full of lust and lewdness... Okay, perhaps not all that much has changed, but the point we are trying to make is that Edinburgh's dating scene has shifted across the centuries to become what it is today — fairly sedate compared with the city's tumultuous past, but no less magical or intoxicating.
Murray points to the fact that national gains in educational achievement, particularly for those beginning on the lower end of the distribution, have been very hard to come by in the past few decades: «If we confine the discussion to children in the lower half of the intelligence distribution (education of the gifted is another story), the overall trend of the 20th century was one of slow, hard - won improvement.»
The large point is to shift our thinking from schools» reputations and past histories to their present - day effectiveness in producing young people ready to succeed and prosper and be good citizens and parents in twenty - first - century America.
At some point in the past half century, a belief seems to have formed that a recession need be avoided at all costs — long term financial system stability be damned.
Patricia Fernández» «Points of Departure (Between Spain and France)» considers the forms that history takes in the context of war, displacement, and political persecution that has reshaped our notions of geography and place over the past century.
While in the past Rafferty used the subject of mid to late 20th century comedy as an immediate reference point, her new pieces employ images of comedians and entertainers in a rather more open - ended way.
For the past 6 years, Dennis Angel has produced metal point drawings on paper, a meticulous process popular in 15th and 16th century Europe.
It supports the hockey - stick representation of shallow fluctuations of climate over the past 1000 years and points to the sudden «unprecedented» increase in 20th century temperatures as evidence that increased CO2 levels are the main contributory factor.
>... there are still ways of discovering the temperatures of past centuries,... tree rings... Core samples from drilling in ice fields... historical reconstruction... coral growth, isotope data from sea floor sediment, and insects, all of which point to a very warm climate in medieval times.
Tree rings, ice cores, sediment cores, corals... ALL POINT TO A WARMER 20TH CENTURY THAN ANY TIME IN THE PAST 2,000 YEARS, and a MUCH warmer past few decaPAST 2,000 YEARS, and a MUCH warmer past few decapast few decades.
For example, recent results from the Met Office do show that there is a detectable human impact in the long - term decline in sea ice over the past 30 years, and all the evidence points to a complete loss of summer sea ice much later this century.
The results are at best inconclusive, since three of the updated series, including Michael Mann's celebrated and controversial tree - ring reconstructions, do not refute the hypothesis, while the others quite significantly point to different dates of maximum temperature achievements into the past centuries, in particular those associated to the Medieval Warm Period.
The null for point 1 would seem to be fairly straight forward, and the type of statistical null the AGW proponents argue for above: the earth has warmed 0.6 + / - 0.2 oC in the past century; and 0.17 oC / decade over the last 30 years.
To elaborate slightly on my above point, the cause / effect relationship between CO2 and temperature derived from data spanning more than 400 million years, and operating within uncertainty margins that can be quantified with reasonable probability requires the existence of a prominent CO2 signal in the record of the past half century.
Modeling the effect of irrigation on temperature and precipitation over the past century points to the need to include it in future studies, especially where water resources are not sustainable.
The pattern of rainfall over the past century does not point to a trend of reduction in rainfall.
Indeed, the first point made in this Skeptical Science article is «A variety of different measurements find steadily rising sea levels over the past century.».
A set of past events pointing toward 21rst Century risks explored in the book: Waking the Giant — How Climate Change Triggers Earthquakes, Volcanoes and Tsunamis.
But can you point to a half century at any time in the past millennium where fitting a trend line gives a slope (up or down) of anywhere near a degree per century (0.01 degrees per year or 0.1 degrees per decade)?
Amusingly the blog denizens who are in the habit of contradicting climate skeptics get just as dismissive when ocean oscillations are pointed out to them as the skeptics do when the big rise in CO2 and temperature over the past half century is pointed out to them.
With NOAA now admitting that the present solar cycle will finish far below most in the Grand Maximum of solar cycles over the past two centuries, with American solar physicists William Livingston and Matthew Penn pointing to a collapsing solar magnetic field, and with Russian astrophysicist Habibullo Abdussamatov saying that carbon dioxide is «not guilty» and predicting a prolonged cooling this century, it is about time.
Gavin points out that if Salby's model truly explained most or all of the 100 ppm observed rise in CO2 based on the 0.8 C rise in global temperature over the past century, that would imply a massive sensitivity of the CO2 flux to global temperatures.
Gavin (correctly) points out that if a relatively small temperature change of the past century caused the observed 115 ppm change in CO2 concentration, then much larger changes in past global temperature (e.g., glacial / interglacial temperature changes) ought to have caused swings in CO2 of 500-1000 ppm.
In 2004 some teams pointed out that the huge gaps and uncertainties in the pre-19th century data, and the methods used to average the data, could conceal changes of temperature in the past that might have been as large and abrupt as anything seen in modern timeIn 2004 some teams pointed out that the huge gaps and uncertainties in the pre-19th century data, and the methods used to average the data, could conceal changes of temperature in the past that might have been as large and abrupt as anything seen in modern timein the pre-19th century data, and the methods used to average the data, could conceal changes of temperature in the past that might have been as large and abrupt as anything seen in modern timein the past that might have been as large and abrupt as anything seen in modern timein modern times.
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