A deep blue organic light-emitting diode (OLED) developed by researchers at Science Tokyo operates on just a single 1.5 V, ...

Abstract: Microwave gas discharge tubes (GDTs) obtain energy from microwaves to generate an ionized plasma to reflect microwaves. In order to study and analyze the breakdown characteristics of ...

Abstract: In this article, three polytypes of p-(6H, 4H, 3C)SiC and n-GaN heterojunction single-drift (SDR) and double-drift (DDR) impact-ionization-avalanche-transit-time (IMPATT) diodes are studied.

Despite the rapid adoption of LLM chatbots, little is known about how they are used. We document the growth of ChatGPT’s consumer product from its launch in November 2022 through July 2025, when it ...

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Using e-cigarettes, cigarettes, or both is associated with higher risk for prediabetes and diabetes, with dual use being the riskiest. Risk is especially elevated in people who are overweight or obese ...