In this week's gallery we feature ink made from algae, an electric Porche, a bandaid that glows and a virtual-reality experience that has you flying like a bird.
Above: This battery-electric multicopter called Snowstorm was developed by students at the National University of Singapore. The prototype's 24 electric motors and three lithium batteries are enough to keep the vehicle aloft for a mere five minutes. But the team says they are continuing development and hope to make a viable craft for recreational flying.
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