To be clear, the universal gesture wherein the middle finger is extended to "give the bird" is not considered a proper hand signal. Anywhere. At any time. Neither is shaking a fist or hanging out the ...
Assistive robotics and brain-computer interfaces (BCIs) are rapidly transforming how people with disabilities regain independence. These technologies enable users to control external devices like ...
If you could choose only two things as a staple of any war movie, they'd probably be military jargon (like "roger" in military aviation) and hand signals. Whether it's Easy Company deep behind enemy ...