Science & Technology

    Video Exhibit Turns da Vinci’s Drawings Into Real Objects

    Construction crane, wind-powered chariot, flying contraptions are among items on display at London's Science Museum

    A new high-tech, indoor farm cube makes growing vegetables foolproof, its creators say.

    Video Smartphone Helps Grow Vegetables in Cube

    High-tech, soil-less indoor system takes guesswork out of farming by calculating precisely what amounts of nutrients, water, light that plants need

    FILE - A portrait of the Twitter logo in Ventura, California.

    Twitter Tweaks Timeline, Lets Hot Tweets Rise

    Microblogging service will now let popular tweets related to people you follow show up first in your timeline


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    February 10, 2016 7:51 PM

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    Exhibit Turns da Vinci’s Drawings Into Real Objectsi
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    George Putic
    February 10, 2016 10:27 PM
    In addition to being a successful artist, Renaissance genius Leonardo da Vinci designed many practical machines, some of which are still in use today, although in different forms. But a number of his projects were never realized — until today. VOA’s George Putic reports.
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    Video Exhibit Turns da Vinci’s Drawings Into Real Objects

    In addition to being a successful artist, Renaissance genius Leonardo da Vinci designed many practical machines, some of which are still in use today, although in different forms. But a number of his projects were never realized — until today. VOA’s George Putic reports.
    Video

    Video Smartphone Helps Grow Vegetables

    One day, you may be using your smartphone to grow your vegetables. A Taipei-based company has developed a farm cube — a small, enclosed ecosystem designed to grow plants indoors. The environment inside is automatically adjusted by the cube, but it can also be controlled through an app. VOA's Deborah Block has more on the gardening system.
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    Video Olympics Technology Center Getting Ready for 2016 Games

    Experts at the new technology center in Rio de Janeiro are busy tweaking a huge network of electronic devices ahead of the 2016 Olympic Games. This year, the whole system will be cloud-based, enabling millions of fans around the world instant access to relevant information. VOA’s George Putic reports.
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    Video 'Smart' Bandages Could Heal Wounds More Quickly

    Simple bandages are usually seen as the first line of attack in healing small to moderate wounds and burns. But scientists say new synthetic materials with embedded microsensors could turn bandages into a much more valuable tool for emergency physicians. VOA’s George Putic reports.
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    Video Researchers Use 3-D Printer to Produce Transplantable Body Parts

    Human organ transplants have become fairly common around the world in the past few decades. Researchers at various universities are coordinating their efforts to find solutions -- including teams at the University of Pennsylvania and Rice University in Houston that are experimenting with a 3-D printer -- to make blood vessels and other structures for implant. As VOA’s Greg Flakus reports from Houston, they are also using these artificial body parts to seek ways of defeating cancerous tumors.
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    Video New Warning From CDC on Zika Virus Transmission

    The U.S. Centers for Disease Control and Prevention has issued a new warning for men about transmitting the Zika virus, which is spreading rapidly in Latin America and the Caribbean, creating a crisis for pregnant women. VOA's Carol Pearson reports very little is actually known about the virus.
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    Video Ghana Starts Africa's First High-tech Interactive Distance Learning

    The Ministry of Education in Ghana says almost 45 percent of that country's primary school teachers and 30 percent of junior high school teachers have not been formally trained. With the help of international donors, authorities in the African country have now launched a two-way interactive training program to help solve the problem. VOA's George Putic reports.
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    Video NYC Gets 'Ultrafast’ Public Wi-Fi

    In a few months, New York City will make history: The city's 8.5 million residents, along with tourists, will be able to access ultra-fast Wi-Fi anywhere in the city, at zero cost. At 3 meters tall, each Wi-Fi portal — featuring dual 140-centimeter HD digital screens for advertising — is every bit as futuristic as you might imagine. VOA's Ramon Taylor reports.
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    Video New Material May Reduce Concussion Effects

    As the 2016 National Football League season reaches its summit at the Super Bowl this coming Sunday (2/7), scientists are trying to learn how to more effectively protect football players from dangerous and damaging concussions. Researchers at Cardiff and Cambridge Universities say their origami-based material may solve the problem. VOA’s George Putic reports.
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    Video Telepresence: The Next Best Thing to Being There

    It sounds like a futuristic concept, but the ability to be present at two or even more locations at the same time, called telepresence, has been around since the first live TV broadcast in 1929. However, being able to be present and move around at will is something that required marrying television with robotics. VOA’s George Putic reports.