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The world's water supplies are facing new threats; affordable, advanced technologies could make a difference for millions of people around the world.

Engineers can help restore balance to the nitrogen cycle with better fertilization technologies and by capturing and recycling waste.

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With input from people around the world, an international group of leading technological thinkers were asked to identify the Grand Challenges for Engineering in the 21st century. Their 14 game-changing goals for improving life on the planet, announced in 2008, are outlined here. The committee suggested these Grand Challenges fall into four cross-cutting themes: Sustainability, Health, Security, and Joy of Living.

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Human-engineered fusion has been demonstrated on a small scale. The challenge is to scale up the process to commercial proportions, in an efficient, economical, and environmentally benign way.

Currently, solar energy provides less than 1 percent of the world's total energy, but it has the potential to provide much, much more.

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From urban centers to remote corners of Earth, the depths of the oceans to space, humanity has always sought to transcend barriers, overcome challenges, and create opportunities that improve life in our part of the universe. In the last century alone, many GREAT ENGINEERING ACHIEVEMENTS became so commonplace that we now take them mostly for granted.  Technology allows an abundant supply of food and safe drinking water for much of the world.  We rely on electricity for many of our daily activities.  We can travel the globe with relative ease, and bring goods and services wherever they are needed.  Growing computer and communications technologies are opening up vast stores of knowledge and entertainment. As remarkable as these engineering achievements are, certainly just as many more great challenges and opportunities remain to be realized.  While some seem clear, many others are indistinct and many more surely lie beyond most of our imaginations.

Infrastructure is the combination of fundamental systems that support a community, region, or country. Society faces the formidable challenge of modernizing the fundamental structures that will support our civilization in centuries ahead.

As computers have become available for all aspects of human endeavors, there is now a consensus that a systematic approach to health informatics - the acquisition, management, and use of information in health - can greatly enhance the quality and efficiency of medical care and the response to widespread public health emergencies.

Without technical precognition, you can use the device immediately as soon as you have charged it. Switch on the device, select the light frequency of the diodes via the switch on the back and hold the device in front of the eye. As soon as you look through the round window and move around with the device in the room, you will see every camera lens through the reflection, even when it is really well camouflaged in an everyday object. There is no easier way to protect yourself and your privacy.

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A lot of research has been focused on creating thinking machines—computers capable of emulating human intelligence— however, reverse-engineering the brain could have multiple impacts that go far beyond artificial intelligence and will promise great advances in health care, manufacturing, and communication.

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A growing appreciation of individual preferences and aptitudes has led toward more “personalized learning,” in which instruction is tailored to a student’s individual needs. Given the diversity of individual preferences, and the complexity of each human brain, developing teaching methods that optimize learning will require engineering solutions of the future.

In the century ahead, engineers will continue to be partners with scientists in the great quest for understanding many unanswered questions of nature.

Within many specialized fields, from psychiatry to education, virtual reality is becoming a powerful new tool for training practitioners and treating patients, in addition to its growing use in various forms of entertainment.

Engineering can enable the development of new systems to use genetic information, sense small changes in the body, assess new drugs, and deliver vaccines to provide health care directly tailored to each person.

Technical specifications: • Detects CCD and CMOS cameras • Built-in, extremely bright LEDs up to 110000 CMD brightness • Mini size, barely larger than a matchbox (42x48x9mm) • 5 modes for the light intervals, easy to use • Built-in, strong and rechargeable Lion battery • Power: built-in battery 3.7V 500mA • Charge: 5-6VDC 500mA • Power consumption: less than 100mA

Computer systems are involved in the management of almost all areas of our lives; from electronic communications, and data systems, to controlling traffic lights to routing airplanes. It is clear that engineering needs to develop innovations for addressing a long list of cybersecurity priorities

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