Indigenous migrants in northern Colombia battle worsening droughts and floods
In La Guajira, Colombia, the Wayuu people face worsening climate impacts, with droughts and intense rains causing food ...
Opinion
The New Times on MSN3 天Opinion
The poison of hatred: How impunity fuels genocidal ideology in the DR Congo
Hatred is an incurable disease—one that is highly contagious, especially when the vector is the state. When a government embraces vitriolic propaganda, the infection spreads unchecked, turning entire ...
传iPhone17使用的超表面镜头有哪些技术与量产难点？
超表面透镜的材料选择、制造技术和量产工艺及参数体现了其在光学领域的潜力。介质材料如TiO2和GaN适合可见光应用，金属如金和银用于红外等离子体应用。制造技术以EBL为原型制作，DUV和NIL为量产主选，NIL因成本效益高而更具优势。量产工艺需优化温度 ...
CBSE Class 12th Maths Sample Paper 2025 by Experts: Practice for Last Minute Revision
Prepare effectively for the CBSE Class 12 Maths Standard Board Exam on Monday, 8-Mar-2025, with expert-designed sample papers ...
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CBSE Class 12 Mathematics Syllabus for Board Exam 2025, Download PDF
Class 12th Mathematics Syllabus 2025: The CBSE Class 12 Mathematics Board Exam 2025 is scheduled to be conducted on March 8, 2025. With the exam approaching, having a clear understanding of the ...