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The purpose of this paper is to make the reader think about the consequences of food scarcity and how science would deal with the situation portrayed through Dr Spock's Food Festival set in Tokyo 2050.

The paper takes the form of a trends analysis perspective.

The authors explain the circumstances (or drivers) of how food scarcity would lead to particular future state. The paper portrays eight driving forces from increased urbanisation to a knowledgeable society.

What if it did occur as molecular gastronomy and the desire for new experiences are core values of today's restaurant industry.

The purpose of this paper is to gain an understanding of why the phenomena of knitting is important in society and an explanation of the underlying currents for tourism.

The paper presents a futurist's observations and reflections.

Why is knitting making a comeback? Consumers are shutting the door on the world and cocooning thus returning to the world of crafts and hobbies as a way to seek enjoyment. An interest in authenticity and the past as an escape from the present. Single people looking for something to do in an urban world, thus some consumers have turned to knitting. Today, the authors are seeing niche holiday providers offering knitting cruises, knitting escapes and knitting adventures. For New Zealand the home Merrino wool knitting tourism has the potential to be bigger than bungy jumping (some would say).

The trends paper provides an insight of the key trends from a societal perspective of what knitting means and its manifestation as a tourism experience. The value to operators is understanding those trends in context of why the phenomena is occurring.

Families represent a large and growing market for the tourism industry. Family tourism is driven by the increasing importance placed on promoting family togetherness, keeping family bonds alive and creating family memories. Predictions for the future of family travel are shaped by changes in demography and social structures. With global mobility families are increasingly geographically dispersed and new family markets are emerging. The purpose of this paper is to discuss the trends that shape the understanding of families and family tourism.

This paper examines ten trends that the authors as experts in the field identify of importance and significance for the future of family tourism.

What emerges is that the future of family tourism lies in capturing the increasing heterogeneity, fluidity and mobility of the family market.

The paper contributes to the understanding about the changes taking place in family tourism and what it means to the tourism industry in the future.

Futurist Jim Dator provides a personal insight of how he “sees” the past, present, and futures of Hawaiian tourism. The paper aims to discuss this issue.

Ian Yeoman interviews one of the world's most prominent and respected futurists, Professor Jim Dator, from the Futures Research Center of the University of Hawaii at Manoa's Political Science Department.

Like a climatologist, futurists discuss long‐term futures which are very uncertain, controversial, and often frightening stories. The past tells how the present occurred. Understanding that story is essential before considering the future. The growth of tourism is a fabulous story dependent on many developments whose future is uncertain. The tourism industry may want a “more of the same” trajectory of continued economic growth but a number changes are on the horizon which Dator calls “The Unholy Trinity,” namely the end of cheap and abundant energy; a profoundly unstable environment and a dysfunctional global economic system. Dator concludes that no government now governs satisfactorily, and so the future of tourism is extremely precarious and uncertain.

The interview provides both insight into how tourism has evolved and foresight of what could occur in the futures. Central to the interview is Dator's identification of the Unholy Trinity, Plus One, that suggests that the future will not neither be like the present nor like the future the tourism industry has hoped for in terms of continued economic growth. The originality and value of Dator's frank views are thought provoking, going beyond present wisdom and comfort.

Because of COVID-19, tourist behaviour has changed with a range of trends becoming more prominent. This paper sets out to explain the dominance of family tourism in New Zealand's domestic markets and the trends associated with it.

This paper is based upon secondary data from academic literature, industry reports, news media and webinars associated with New Zealand during COVID-19, starting in March 2020.

The paper explains the rise of family tourism in New Zealand during COVID-19 based upon the consumer behaviour trends of: (1) Simplicity: In search of slow; (2) Mercurial consumption; (3) Localism; (4) Staycation; (5) Healthy habits; and (6) Is it safe to come out?

The usefulness of this paper is derived from explaining why the rise of family tourism occurred based upon the identified trends.

A case study about the creation of four scenarios that were used to make sense of the fast-moving pace of COVID-19 and the consequences for New Zealand tourism.

Adapting global visitor economy scenarios, a set of New Zealand tourism scenarios were constructed using a “back of house Shell” method and were supplemented with an expert panel to test the reliability and validity of the scenarios.

The four scenarios constructed were based on two critical uncertainties, namely economic recession and the moral dilemma of the consumer. Four scenarios were portrayed using film and TV titles to help participants visualise the scenarios. Crazy Rich Asians: Recovery represented many of the attributes of tourism in New Zealand prior to COVID-19 i.e. a focus on high value tourists from Asia. Contagion: Survival of the Fittest represented the reality of the COVID-19 pandemic. This Side of Paradise: ReThinking Tourism focused on rebuilding tourism based upon the principles of sustainability. The Colony: Gated Communities represented fortress destinations trying to keep COVID-19 at bay. Each scenario portrayed several features including a unique narrative, tourism, the tourist, vision, strategy and risks. The paper highlighted the trade-offs and conflicts between the scenarios as COVID-19 unfolded in different directions.

In a fluid situation, the paper reminds readers of the value of scenarios as framing devices to understand the fast-moving pace of COVID-19 when New Zealand was in unchartered waters. Thus, this study highlights how a scenario-planning process builds resilience and foresight to help stakeholders and actors make sense of crisis situations.

The authors identify five driving forces of changes that are shaping the discourses about food tourism. The paper aims to discuss this issue.

The approach used by this paper is a general review.

The five driving forces identified are: food tourism as political capital; food tourism as a visionary state; what it means to be a foodie; the drive for affluence and exclusivity; fluid experiences in a post-modernist world.

The five drivers of change are identified as the core of any food tourism strategy for policy makers.

The world is changing and key change agents include climate change and scarcity of resources. The purpose of this paper is to address how New Zealand and tourism could address the future and generate appropriate strategic responses.

Using the process of scenario analysis and drawing upon recent research from the www.tourism2050.com project, this paper describes the circumstances, drivers, economic consequences and key decisions that New Zealand would have to take in order to position itself as an eco paradise. The background to the scenario presumes overarching behaviours in a cooperative world in which resources are scarce.

The scenario portrays a future of collective individualism, where a high degree of personal freedom exists but within the constraints of a world in which there is a scarcity of resources. A communitarian ethos drives policy making with an emphasis on efficient resource use and waste minimisation. New Zealand is a nation favoured by climate change. Environmental intellectual property is one of the nation's key resources and in the spirit of achieving a global environmental equilibrium these technologies are shared with the rest of the world. Life is simple. Competitive individualism is equated with excess and resource waste, while cooperation, harmony, and the continuation of a global cooperative psyche are seen as the foundation stones of the continued, relatively comfortable survival of humanity. Tourism is a luxury and activities are environmentally ethical. Visitors are well‐off, purposeful, highly respectful and careful to prove their worth.

Eco paradise represents the classic tale of a prisoner's dilemma in which decision makers and consumers ponder the betterment of humankind against individualism. The scenario concludes with a strategic map of the core decisions New Zealand's tourism industry would have to take. The significance of the paper is its portrayal of a possible future to industry leaders, researchers and stakeholders thereby facilitating decision making in order to adapt to this future.

This study aims to provide a comprehensive overview of the current state of the art in powder bed fusion (PBF) techniques for additive manufacturing of multiple materials. It reviews the emerging technologies in PBF multimaterial printing and summarizes the latest simulation approaches for modeling them. The topic of “multimaterial PBF techniques” is still very new, undeveloped, and of interest to academia and industry on many levels.

This is a review paper. The study approach was to carefully search for and investigate notable works and peer-reviewed publications concerning multimaterial three-dimensional printing using PBF techniques. The current methodologies, as well as their advantages and disadvantages, are cross-compared through a systematic review.

The results show that the development of multimaterial PBF techniques is still in its infancy as many fundamental “research” questions have yet to be addressed before production. Experimentation has many limitations and is costly; therefore, modeling and simulation can be very helpful and is, of course, possible; however, it is heavily dependent on the material data and computational power, so it needs further development in future studies.

This work investigates the multimaterial PBF techniques and discusses the novel printing methods with practical examples. Our literature survey revealed that the number of accounts on the predictive modeling of stresses and optimizing laser scan strategies in multimaterial PBF is low with a (very) limited range of applications. To facilitate future developments in this direction, the key information of the simulation efforts and the state-of-the-art computational models of multimaterial PBF are provided.