There are also wallets that store private keys on physical devices, like USB sticks, external hard drives and hardware wallets. (bitcoinmagazine.com)
When teaching coding, there's nothing like the excitement of seeing real - world physical devices such as robots, alarms, and games come to life. (educationbusinessuk.net)
And then there is the Internet of Things, technologies that connect physical devices, like vehicles or warehouse equipment, via the internet. (businessinsider.com)