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...changing style), uses colours that dogs can see (rather than colours that stand out to humans), is big enough to be an easy target for a dogs (rather than a small object), can be operated by a gentle push of the nose (rather than requiring to be hit by a paw), can be adjusted to the right height to allow dogs of different sizes to operate it (rather than requiring them to...

...change. It’s clever programming that keep drivers and pedestrians moving smoothly and safely, so next time you cross the road, remember that coding is literally helping you get to the other side! [Photo of the Wait button at a traffic light crossing in London] [A woman at a front desk is scanning a hair styling product with a barcode scanner. The front desk has a credit...