A new kind of magnetic tweezers can make torque measurements on single molecules. Sean Sun, a professor of engineering at Johns Hopkins University, had what seemed to be a straightforward goal ...

Magnetic force can overcome gravity. That’s why this magnet can hover in mid-air. Electrostatic force also attracts and repels objects. Rubbing the balloon on another surface creates a small ...

Magnetic attraction naturally forms a “bistable” hinge—one that then requires energy input to separate the magnets. The engineers needed to manipulate this magnetic force.” “So in a way ...

Football has a magnetic attraction to Los Angeles Chargers Gerald Everett on TE's one-handed catch. Watch Buffalo Bills quarterback Josh Allen's best plays from a 2-touchdown game vs. the ...

Introduction to Magnetic Bead: Understand the history, development, versatility, and impact of Dynabeads magnetic beads: After listening to the podcast, learners will be able to explain the origin and ...