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 deca
PAST 2,000 YEARS, and a MUCH warmer
past few deca
past 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 time
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 time
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 time
in the
past that might have been as large and abrupt as anything seen
in modern time
in modern times.