Without the ability to conduct global -
scale experiments in the lab or in the field, models are the only tools they have.
Many Environmental Protection Agency (EPA) staffers mistrusted the new methods; they had had little success with some small -
scale experiments in emissions trading, and they worried that proponents were less interested in cleaning up pollution than in doing it cheaply.
The foundation finances the Education Innovation Laboratory, run by Harvard economist Roland Fryer, which carries out large -
scale experiments in schools districts, focused on teacher pay for performance and rewarding students for good test scores and grades.
The new model allows researchers to run large -
scale experiments in conditions that are much more like the actual places where the bacteria colonize, without requiring researchers to collect countless specimens of actual mucus, called sputum, from humans.
It's true that I spent much of the last few years working on a large -
scale experiment in which we assigned by lottery nearly 11,000 students to tour an art museum or serve in the control group to identify what students learn from field trips to art museums.
California is the logical choice for performing a large -
scale experiment in how best to adopt renewable energy technology as the primary source of electric power generation in America.
Not exact matches
It is building on the concept of compressing fuel to heat it until it triggers a fusion reaction, an idea
experimented with for years
in large -
scale government programs.
And beginning this year, well - funded, large -
scale, long - term
experiments in Finland and Kenya will examine whether providing a guaranteed income is an effective way to relieve poverty and cushion the effects of economic dislocation without encouraging idleness and sloth.
Not only did the Zero Lower Bound turn out to be not so debilitating as all that — rather than work their will via interest rates, central banks took to injecting money directly into the economy via large -
scale asset purchases — but it does not even seem to be the lower bound: central banks, notably
in Europe, have successfully
experimented with negative interest rates.
Our approach was and continues to be to take a long - term approach, modeled after the way we
experimented and invested
in a lot of things during the early years at Zappos (and made a lot of mistakes along the way), and then eventually
scaled from almost no sales
in 1999 to over $ 1 billion
in gross merchandise sales
in 2008 (9 years)-- and continuing to grow and
scale afterwards.
Time - resolved measurements of the hot - electron population
in ignition -
scale experiments on the National Ignition Facility
He
experimented with
in massachusetts, and will bring it to America on a grand
scale.
Buffalo was
experimenting on a small
scale with «tipper totes» — large, rat - proof garbage containers designed for easy loading by trucks — but only
in one of the city's most affluent neighborhoods and with no plan for wider use.
Named after the British physicist, Peter Higgs,
in the 1960s, it remains a «missing link,» as yet undetected
in experiments and yet crucial to much of the current theoretical understanding of the fundamental properties of matter on the quantum
scale.
However, there are elements of the philosophy that work quite well for those will to implement them, and
in small
scale experiments, where all the people involved are there voluntarily and of like mind, it has worked to the betterment of all involved.
by Dave DeWitt
In 1989, with the help of Dr. Ben Villalon of the Texas A&M Agricultural Experiment Station and Dr. Paul W. Bosland of New Mexico State University's Department of Plant and Environmental Science, I compiled and published the first chile heat scale in Chile Pepper magazin
In 1989, with the help of Dr. Ben Villalon of the Texas A&M Agricultural
Experiment Station and Dr. Paul W. Bosland of New Mexico State University's Department of Plant and Environmental Science, I compiled and published the first chile heat
scale in Chile Pepper magazin
in Chile Pepper magazine.
In 1989, with the help of Dr. Ben Villalon of the Texas A&M Agricultural Experiment Station and Dr. Paul W. Bosland of New Mexico State University's Department of Plant and Environmental Science, I compiled and published the first chile heat scale in Chile Pepper magazin
In 1989, with the help of Dr. Ben Villalon of the Texas A&M Agricultural
Experiment Station and Dr. Paul W. Bosland of New Mexico State University's Department of Plant and Environmental Science, I compiled and published the first chile heat
scale in Chile Pepper magazin
in Chile Pepper magazine.
We can see this on a bigger
scale in this water rocket
experiment from Science Sparks.
In a series of
experiments, Cohen, Walton, and Yeager have shown the power of what seem to be small -
scale mindset interventions — watching a brief video of an older student talking about his struggles with belonging, or reading a magazine article that presents a growth - mindset perspective on brain development — to significantly improve the academic performance of students who are vulnerable to stereotype threat, including low - income students and African - American students.
In fact, the proposed guidelines represent a nutritional
experiment on a huge, national
scale.
Of course, even if you can economize a specific policy on
scale (e.g. negotiating medical costs visavi Obamacare,
in theory), that still runs smack into the other downsides of having a federal policy, both # 1 (you impose Obamacare on ~ 50 % of the country that hates it by force); and # 3 (if Obamacare is a bad policy, there's no way to easily tell because it's not like we have a duplicate USA that doesn't run Obamacare and serves as a control group for an
experiment).
Now, he is hoping to make his mark on public safety
in New York City and beyond with a policing
experiment on a massive
scale — to make officers nicer.
Then, to ensure their results
in the lab weren't a fluke, researchers released a smartphone app that simulated the lab
experiment cheaply and on a larger
scale.
Dennis and Dean Defining Operationally - Plant Parts and Growth, Troyer Formulating Hypotheses - Streams and Slopesm Capie, 1973 Interpreting Data - Nutrition Interpreting Data - Contour Maps, Capie Defining Operationally, Livermore
Experimenting - Semipermeable Membranes, DP Calibrating a Spring
Scale Defining Operationally - Temperature and Heat, Phillips Interpreting Data - Earth Maps and Mars Photos, Phillips Defining Operationally - Three Gases, Livermore
Experimenting - Viscosity, Schwartz Variation
in Perceptual Judgement - Optical Illusions, Hebeisen Plant Nutrition, Dean
Experimenting - Fermentation, Menhusen Interference
in Learning, Mayor
Experimenting - I See — I See, Hebeisen Point - to - Point Illusions, Schwartz and Capie Reading Exercise - Does the Left Hand Know What the Right Hand is Doing?
Specifically, they found that as the light was transmitted through the material, the wave rotated a specific amount, which is related to physical constants that are usually only measureable
in atomic
scale experiments.
In these
experiments, the researchers manipulated three variables while growing the willow oaks: temperature, water and the presence of
scale insects.
Using neutron scattering
experiments at the BER II research reactor, Manfred Reehuis and Michael Tovar were successful
in determining the structural and magnetic properties for each of the mixed crystal specimens over quite a wide temperature range, from near the zero point of the Kelvin temperature
scale to above 900 K.
According to Laepple: «We are
in the middle of an
experiment that we can not reverse, but which we still don't understand well enough to make clear statements at the regional level on longer time
scales.
Already, Armstrong and her group have had some success creating small -
scale versions of the protocell reef
in the lab, and they're moving on to
experiments in controlled natural areas.
«Social research has a history of using both small -
scale experiments and computer models to explore questions about human behavior — but there are very few examples of how to use these two techniques
in concert,» says William Rand, a computer scientist and assistant professor of business management
in NC State's Poole College of Management who is co-lead author of a paper describing the work.
US researchers investigated this effect towards the end of the 1990s
in a large -
scale experiment on forest land
in the vicinity of the Brazilian town of Manaus.
Better still, a 100 - millisecond ink - jet burst dissipates fast, at least
in the team's small -
scale experiment.
Third, documented demonstration projects and careful
experiments, working hand
in hand, have improved the rigor and success of malaria policies, and those successes should now be taken to full
scale.
A biochemistry major, Gazzaley had planned to put a chunk of sodium metal into a lake behind campus to make it fizz — a large -
scale version of the classic junior high school lab
experiment in which adding a pinch of potassium to water creates a spark as the chemical reaction releases energy.
Field
experiments have shown that these applications work
in principle; the challenge now, says Stamets, is making them practical on an industrial
scale.
Also
in this issue, how single - person medical
experiments, alternatives to big clinical trials, are leading to breakthroughs on a small
scale.
One theory from the teaspoon
experiments involves the cornstarch grains bunching together into clusters, and its author, John Brady of the California Institute of Technology, thinks that the process at work
in the new
experiments could simply be that theory
scaled up hundreds of thousands of times.
Nearly two years to the day after the Deepwater Horizon incident, scientists from the Consortium for Advanced Research on Transport of Hydrocarbon
in the Environment (CARTHE), based at the University of Miami (UM) Rosenstiel School of Marine and Atmospheric Science, conducted a drifter
experiment in the northern Gulf of Mexico spill site to study small -
scale ocean currents ranging from 100 meters to 100 kilometers.
The study, «Effectiveness of a
Scaled Up Physical Activity Intervention
in Brazil: A Natural
Experiment,» recently was published
in Preventive Medicine, an international journal devoted to the science and practice of disease prevention, health promotion and public health policymaking.
Scientific knowledge always depends upon particular conditions, but risk regulation often naively assumes that large -
scale institutions can be controlled as simply as an
experiment in a laboratory.
In Garching, IPP has two large -
scale experiments: the Axially Symmetric Divertor
EXperiment (ASDEX) Upgrade tokamak and the WENDELSTEIN 7 - AS stellarator.
«This is certainly one of the oldest rainforest regeneration
experiments around — if not the oldest — and it's really big
in scale,» says Bill Laurance, Australian laureate and expert on tropical forests at James Cook University
in Cairns, Queensland.
Then
in the future we can
scale up and combine that with other interactions such as electric or magnetic and compare with
experiments.»
The researchers hope to cut costs
in future by
scaling back the
experiment's more expensive components, such as training.
Based on an improved understanding of the photoemission process itself this will serve
in future
experiments to resolve variations of light fields with sub-atomic resolution, i.e. on a
scale that was not accessible up to now.
Another
experiment carried out
in 1990 at the South Pole by Phil Lubin of the University of California at Santa Barbara and his colleagues may have detected primordial ripples at angular
scales of 1.5 degrees, though they are not yet convinced that they can rule out a galactic origin for their signal.
«This is the kind of
experiment we can't do
in the laboratory because of the time
scales involved,» said APL's Elizabeth Turtle, principal investigator for the Dragonfly mission.
Instead, it's part of a story involving a large -
scale unplanned chemistry
experiment, a sometimes - stinky lake, and ducks —
in which the mercury did not disappear.
In a 2015 report of the U.S. Nuclear Science Advisory Committee to the Department of Energy and the National Science Foundation, a U.S. - led ton -
scale experiment to detect neutrinoless double - beta decay was deemed a top priority of the nuclear physics community.
BICEP2 has plenty of competition
in searching for B - mode polarization
in the CMB: other projects include the Atacama B - mode Search (ABS) led by Princeton University; the POLARBEAR
experiment led by the University of California, Berkeley; the high - altitude balloon — borne E and B Experiment (EBEX) run by the University of Minnesota; the Cosmology Large Angular Scale Surveyor (CLASS) led by Johns Hopkins University; and numero
experiment led by the University of California, Berkeley; the high - altitude balloon — borne E and B
Experiment (EBEX) run by the University of Minnesota; the Cosmology Large Angular Scale Surveyor (CLASS) led by Johns Hopkins University; and numero
Experiment (EBEX) run by the University of Minnesota; the Cosmology Large Angular
Scale Surveyor (CLASS) led by Johns Hopkins University; and numerous others.