This simple STM setup utilises a piezoelectric actuator constructed by deliberately cutting a piezo speaker into four quadrants. With individual drive wires attached to the four quadrants.

Find out how you can change a circuit by adding items like switches with this Bitesiz KS2 science animation and a fun activity.

Two tribal nations in North Dakota plan to ask the Supreme Court to review a lower court ruling that struck down a key tool for protecting minority voters under the Voting Rights Act in seven states.

9th Circuit upholds California ban on large-capacity ammunition magazines A semiautomatic rifle with a detachable magazine displayed at TDS Guns in Rocklin, Calif., in 2013.

The Fourth Circuit's Geofencing Case Ends Not With a Bang But A Whimper Fifteen judges produce eight separate opinions—but no view gets a majority. Orin S. Kerr | 5.2.2025 9:13 PM ...

The Circuit de Barcelona-Catalunya features a mix of medium- and high-speed corners and a reputation for high tire degradation.

F1’s Imola track breakdown: A classic, narrow circuit with a dangerous legacy Madeline Coleman May 15, 2025Updated May 18, 2025 15 ...

St. Johns County Judge Lauren Blocker was appointed to fill the circuit seat vacated by former Judge Matt Foxman.

5th Circuit rules Texas library patrons have no First Amendment right to information The 10-7 ruling overturns a decades-old precedent barring the removal of library books for political reasons.