Why Wedbush Securities' Gil Luria downgraded Alibaba stock

Wedbush Securities' Gil Luria talks about what went wrong at Alibaba and his take on the stock as an investment. Bobbi Rebell reports.

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Brazilian builds water-powered motorbike

A Sao Paulo civil servant develops a motorbike which can cover up to 500 kilometres fueled by just one litre of water. Ben Gruber reports.

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Dutch engineer develops autonomous quadcopter vehicle

A Dutch engineer moves a step closer to a Jetson's-style flying car with a manned quadcopter that flies itself. Amy Pollock reports.

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Austrian glacier replicates Mars for researchers

Researchers wearing 50 kilo spacesuits simulate a mission to Mars on the Kaunertal glacier valley that resembles the conditions of the Red Planet. Jillian Kitchener reports.

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World's biggest telescope to give scientists a window to the Sun

A solar telescope that has the potential to give scientists the ability to predict the Sun's impact on satellite and communication systems on Earth will be the biggest in the world when it opens in 2019. Sharon Reich reports.

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Electronic skin sensors to control mobile gadgets

iSkin prototype uses flexible, stretchable, silicone stickers as skin-worn, touch sensors for mobile computing. Matthew Stock reports.

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Japanese engineer develops world's first 'car in a bag'

A Japanese company unveils a miniature transporter which can fit in a backpack. Amy Pollock has more.

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