BBCNEWS BBC News December 27, 2021 10:27:00
Here in copenhagen, new technology is being trialled that could help boost recycling rates. it's part of an industry—led project called holygrail 2.0. what we're trying to do is really use intelligence that is embedded in the packaging, using the digital watermarks to revolutionise the way we sort or recycle plastics. more than 100,000 packaging samples are being sent along this line to a smart sorting machine. each piece of packaging is printed or embossed with a digital watermark that's about the size of a postage stamp. it can barely be seen by the naked eye, but it's like having an invis...