Tulsa news anchor Julie Chin has the beginnings of a stroke live on the air. She knew something was wrong, so tossed it to the meteorologist, as her concerned colleagues called 911. She’s fine now, but wanted to share her experience to educate viewers on stroke warning signs. pic.twitter.com/aWNPPbn1qf

From the image of a black hole to an incredibly fast camera, here’s a list of all that the world witnessed for the first time this year.

Italian laser developer El.En. Group has introduced the first graffiti-busting laser that evaporates the graffiti, without damaging the stone underneath. The lasers strip dirt from everything, from frescoes to statues and bronzes, thus seeking to restore heritage sites around the world. Restorers using the device can take up to 20 minutes to clean 10 square centimetres of wall.

The new Volvo 7900 Electric is much more than just an electric bus. It is the world’s first autonomous electric bus equipped with sensors and navigation controls that are managed by a comprehensive artificial intelligence (AI) system. Developed by Nanyang Technological University, Singapore (NTU Singapore) and Volvo Buses, its AI system is protected with cybersecurity measures to prevent unwanted intrusions.

Digital clothing is the latest phenomenon and Dutch startup The Fabricant has recently set a milestone in the emerging trend. It sold a digital dress, named Iridescence, for $9,500 on the blockchain for the first time. Iridescence was designed using 2D garment patterncutting software and 3D design software, along with film rendering tools, to create the surreal clothing.

Scientists in China have made the world’s fastest camera that is capable of shooting at an incredible four trillion frames per second and capture light. The camera captures frames on light sensors composed of semiconductors. With this technique, the camera could generate a sequence of up to 60 shots at a rate of almost four trillion frames per second. The result might be the most effective slow-motion camera to date.

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