<p>➀ MIT researchers have developed a chip-based terahertz wave generator that doesn't require bulky silicon lenses, making it scalable and cost-effective.</p><p>➁ The system uses a thin, patterned sheet attached to the back of the chip to improve efficiency, leveraging Intel's high-power transistors.</p><p>➂ This technology could be integrated into various applications such as security scanners and environmental monitors due to its scalability and high peak radiation power of 11.1 dBm.</p>