Vibration energy harvesting with piezoelectric materials is of practical interest because of the demand for wireless sensing devices and low-power portable electronics without external power supply.

When a community rallies behind its police, the impact is powerful, sometimes even life-saving. That’s exactly what happened in Imperial, Nebraska. Where a small town’s commitment to officer ...

The U.S. State Department has established a Middle East task force to help coordinate support for U.S. citizens, diplomatic missions and personnel amid the conflict between Israel and Iran, State ...

ZJ-3型Piezo型压电常数测试仪（静压电系数d33测量仪）是为测量压电材料的d33常数而设计的专用仪器，它可用来测量具有大压电常数的压电陶瓷，小压电常数的压电单晶及压电高分子材料。此外，也可测量任意取向压电单晶以及某些压电器件的等效压电d’33常数，仪器测量范围宽，分辨率细，可靠性高 ...

Rio Ferdinand says Man Utd and Arsenal target should be ‘causing a nightmare’ to force transfer Tom Olver Published June 15, 2025 10:59am Updated June 15, 2025 11:00am Comments ...

Dielectric properties of organic–inorganic 2D lead halide perovskite BA2PbBr4 (BA = butyl-ammonium, C4H9NH3) (BAPB) have been investigated as a function of temperature across 9 to 300 K and the ...

"I've been charged $300 on a package that cost me $350" — Portland toy shop owners say tariffs are forcing them to close and raise prices.

Senate Republicans seek to end EV tax credit by September 30 Climate & Energy · June 27, 2025 · 9:56 PM PDT · 1 hour ago U.S. Senate Republicans late Friday released a revised tax and budget ...