Apparent sharpness of 3D video when one eye's view is more blurry.

When the images presented to each eye differ in sharpness, the fused percept remains relatively sharp. Here, we measure this effect by showing stereoscopic videos that have been blurred for one eye, or both eyes, and psychophysically determining when they appear equally sharp. For a range of blur magnitudes, the fused percept always appeared significantly sharper than the blurrier view. From these data, we investigate to what extent discarding high spatial frequencies from just one eye's view reduces the bandwidth necessary to transmit perceptually sharp 3D content. We conclude that relatively high-resolution video transmission has the most potential benefit from this method

The role of regulatory mechanisms for control of plant diseases and food security — case studies from potato production in Britain

Being aware of the potentially devastating impacts of plant diseases on food security, governments have designed and employ plant health legislation to prevent or inhibit the worst impacts. The development of such policies in Britain, and latterly in Europe, can be closely linked to disease events that have occurred in the potato sector. We analyse early and current examples of policies governing potato diseases in Britain to identify the decision processes leading to the implementation of such phytosanitary policies and how they have evolved over time and in response to different disease threats. Reasons for developing and implementing phytosanitary policies include the desire to prevent pathogens being introduced (entering and establishing in a new area), the protection of export markets, and the lack of effective control measures. Circumstances in which regulatory policies would not be appropriate could include situations where a disease is already widely distributed, unacceptable costs, lack of exclusion measures, or difficulties of disease diagnosis. We conclude that in general, government policies have worked well in protecting British potato growing over the last one hundred years, despite of the failures of some of the policies discussed here. They have also contributed much to the development of plant health policies for other crops. Voluntary grower initiatives are a new mechanism complementing existing formal policies with an additional level of security that allows individual growers to take on additional responsibility rather than relying entirely on government legislation

America\u27s Changing Attitudes Toward Welfare and Welfare Recipients, 1938-1995

This paper examines American national public opinion on welfare, welfare recipients, and the government\u27s role in welfare programs. The data were gathered from published public opinion polls of national samples of adults taken between 1938 and 1995. The findings indicate that public opinion has remained relatively stable over this 57-year period, with the majority of Americans believing that the government has a responsibility to help those in need. At the same time, the majority of those polled believed that the government spends too much on welfare. The findings also show that the public is in favor of reducing income differences between the rich and the poor. During this period, poll data indicate that a growing percentage of Americans believe that laziness and lack of motivation to work are the main causes of poverty. The data indicate that approximately half of all Americans believe that welfare recipients could get along without their welfare benefits. These findings are discussed in light of current political attitudes toward social welfare and recent change and proposed changes in welfare programs

America\u27s Changing Attitudes Toward Welfare and Welfare Recipients, 1938-1995

This paper examines American national public opinion on welfare, welfare recipients, and the government\u27s role in welfare programs. The data were gathered from published public opinion polls of national samples of adults taken between 1938 and 1995. The findings indicate that public opinion has remained relatively stable over this 57-year period, with the majority of Americans believing that the government has a responsibility to help those in need. At the same time, the majority of those polled believed that the government spends too much on welfare. The findings also show that the public is in favor of reducing income differences between the rich and the poor. During this period, poll data indicate that a growing percentage of Americans believe that laziness and lack of motivation to work are the main causes of poverty. The data indicate that approximately half of all Americans believe that welfare recipients could get along without their welfare benefits. These findings are discussed in light of current political attitudes toward social welfare and recent change and proposed changes in welfare programs

Transportation of New Hampshire milk, Bulletin, no. 325

The Bulletin is a publication of the New Hampshire Agricultural Experiment Station, College of Life Sciences and Agriculture, University of New Hampshire, Durham, New Hampshire

A Force for Democracy? Representations of the US Government in American Coverage of Venezuela

Since the election of Hugo Chavez in 1998 the United States has played a highly questionable role interfering in Venezuelan politics, funding, training, and supporting attempts at coups to remove democratically elected presidents. Yet the American media (The New York Times, Washington Post, and Miami Herald) have presented the US overwhelmingly positively, portraying it as a force for democracy and stability in the region, contrary to the wealth of official evidence. This content and discourse analysis focuses on the coverage of four key events in recent Venezuelan history and concludes that the concept of “democracy” in the media is automatically applied to official US policy, whatever it happens to be. Thus, the official American ideology of its fundamental benevolence and exceptionalism is not disputed, even when reality clearly challenges this concept

The milksheds of New Hampshire, Bulletin, no. 295

The Bulletin is a publication of the New Hampshire Agricultural Experiment Station, College of Life Sciences and Agriculture, University of New Hampshire, Durham, New Hampshire

The local structure of milk prices in New Hampshire markets, Bulletin, no. 332

The Bulletin is a publication of the New Hampshire Agricultural Experiment Station, College of Life Sciences and Agriculture, University of New Hampshire, Durham, New Hampshire

Optimal Control of Spreading Biological Invasions: For How Long Should We Apply the Brake?

Identifying the optimal switching point between different invasive alien species (IAS) management policies is a very complex task and policy makers are in need of modelling tools to assist them. In this paper we develop an optimal control bioeconomic model to estimate the type of optimal policy and switching point of control efforts against a spreading IAS. We apply the models to the case study of Colorado potato beetle in the UK. The results demonstrate that eradication is optimal for small initial sizes of invasion at discovery. High capacity of the agency to reduce spread velocity for several years leads to smaller total overall costs of invasion and makes eradication optimal for larger sizes of initial invasion. In many cases, it is optimal to switch from control to acceptance within the time horizon. The switching point depends on the capacity of the agency, initial size of invasion, spread velocity of the IAS and the ratio of unit cost of damage and removal. We encourage the integration of the dispersal patterns of the invader and the geometry of the invasion in the theoretical development of the economics of IAS invasion management.barrier zone, biosecurity, dynamic optimization, eradication, Leptinotarsa decemlineata, pest risk analysis, reaction-diffusion., Risk and Uncertainty, Q1, Q28, Q57,