Secret Seattle

Inside the dramatic glass walls of the Seattle Central Library, a new photography exhibition by a displaced artist is exposing the hidden realities behind Puerto Rico’s ...

Explore a free photography exhibition about Puerto Rico at Seattle Central Library, with two film screenings and Q&As taking ...

Chevrolet 409 V8: What Made It So Special, And Why Are They So Rare?

While its history among other big-block American engines was brief, the Chevrolet 409 V8 had tons of innovative design ...
BIOENGINEER

Sliding metasurface steers beams across wide angles while filtering frequencies sharply

Researchers have developed a fully passive sliding metasurface that combines sharp frequency filtering with wide-angle beam ...
BIOENGINEER

Self-Powered Sensor Measures Rotation With Arcsecond Precision Using Triboelectric Nanogenerator

Researchers have developed a self-powered angular displacement sensor that combines triboelectric nanogenerator technology ...
TES

AQA A Level PE Biomechanics – Angular Motion Lesson 2: Angular Displacement, Velocity & Acceleration

A complete, ready-to-teach AQA A Level PE lesson on measuring rotation: radians, angular displacement, angular velocity and angular acceleration, with modelled calculations. How do we measure how fast ...