Desktop model airplanes range in size from the very large 1:20 scale for the large commercial models to the much smaller 1:400 to 1:600 for the 3- to 6-inch models. The larger the aircraft model ...

Amazon today announced AWS DeepRacer, a fully autonomous 1/18th-scale race car that aims to help developers learn machine learning. Priced at $399 but currently offered for $249, the race car lets ...