➀ The article introduces a compact FM radio designed to fit inside an earbud, using the RDA5807M IC for preset frequency tuning and volume control;

➀ The device can function as a basic single-channel FM radio or a long-range spy receiver when paired with a transmitter;

➂ The project involves programming the IC, assembling components (battery, speaker, and module) into an AirPods-style case, with future plans to integrate a microcontroller for advanced control.

➀ POSTECH researchers developed uniform stretching technology for next-gen flexible displays using kirigami-inspired patterns, enabling 200% strain with consistent pixel performance;

➁ The innovation replaces rigid connectors with elastic materials and stress-redistributing incisions, solving deformation challenges;

➂ Integrated chiral liquid crystal elastomers (CLCEs) enable dynamic color-changing displays with anti-counterfeiting and encryption capabilities through circular polarization.

➀ The author expresses a personal aversion to buying new clothes, valuing old garments for their nostalgic connections to past experiences;

➀ Some individuals avoid repeating outfits, a behavior the author finds unusual;

➂ A global survey reveals varying rates of purchasing unworn clothes, with 29% of UK women admitting to this habit, compared to 9% in China and 21% of women/15% of men in the U.S.

➀ SOLITAIRE launched the PTK 208, a 4K PTZ camera for conference rooms and classrooms, featuring AI tracking and gesture/voice control;

➁ It uses an 8.3MP CMOS sensor, 10x optical zoom, and a 4-microphone array with noise cancellation for immersive audio-visual clarity;

➂ Designed for flexible installation, it supports HDMI/Type-C outputs and aims to enhance remote collaboration in professional and educational settings.

➀ Nisshinbo Micro Devices introduced the NL8902 dual audio operational amplifier with "MUSES" technology, featuring JFET input and high-performance specs;

➁ Key specifications include 10 nV/√Hz noise, 0.0004% distortion, 20 V/µs slew rate, 9 MHz bandwidth, and 82 dB EMI rejection, operating at ±4-16V;

➂ Designed for consumer audio, professional equipment, and automotive systems, available in EMP-8-AN and DFN4035-8-GR packages.

➀ Researchers at the University of Surrey developed a multimodal transistor (MMT) that reduces display manufacturing costs, improves energy efficiency, and lowers environmental impact by leveraging energy barriers between metals and semiconductors.

➁ The MMT simplifies circuitry, enabling brighter screens, longer battery life, and compatibility with AMOLED/microLED technologies without requiring major production line upgrades.

➂ Patented and scalable, this innovation holds potential for broader applications in AI hardware and sustainable electronics while aligning with Net Zero goals.

➀ Vishay Intertechnology公司升级了其VSOP383xx系列红外（IR）遥控应用预放大电路，推出了新的Cyllene 2 IC。

➁ 新解决方案提供更宽的工作电压范围、更高的暗态环境灵敏度和更好的抗强直流光和Wi-Fi干扰能力。

➂ 这些改进使得该产品适用于多种消费电子产品和移动设备，并且可以减少制造商的成本。

➀ Shein, founded in 2008, has become one of the world's most valuable clothing retailers, with online revenue surpassing traditional fashion competitors like H&M and Zara.

➁ During the pandemic, Shein's online net sales soared from $2.5 billion in 2019 to $8.4 billion in 2020.

➂ Despite facing challenges, such as being banned in India, Shein is expected to generate $48 billion in online revenue by 2024, a significant increase from its 2018 net sales of $1.4 billion.