WASHINGTON — As it prepares to launch the first satellites for its Lightspeed low Earth orbit constellation, Telesat is sharpening its pitch to U.S. defense customers with a planned laser ...

We believe that a sharp mind is a hallmark of an intelligent person, and a sharp mind comes from practicing puzzles that test your logical, analytical, and critical thinking skills. To address this, ...

Knobs are ubiquitous in technology user interfaces, but touchscreens are increasingly replacing them for interface controls. The latest project from [upir] combines a rotating knob with a touchscreen ...

Sometime back, Hinnerk Schulz‑Hildebrandt, a biomedical optics engineer at Harvard Medical School, stumbled on something odd while checking a flight map on his phone. As his eye followed the flight ...