直到2025年，物理学家实际上有三种不同的方式来描述流体，具体取决于流体的尺度。不同的规则分别适用于单个粒子的微观尺度、由粒子集合构成的介观世界，以及充满像水槽中流动的水这样成熟流体的宏观领域。研究人员在寻找它们之间的联系方面已经取得了进展，但在哈尼 ...

It took 125 years, but in 2025 a team of mathematicians discovered the solution to a long-puzzling problem about the ...

In 1900, at the grand amphitheater of the Sorbonne in Paris, David Hilbert stood before a crowd of mathematicians and delivered a speech that would echo through the next century. He outlined 10 — and ...

Figure 1. A faulty flame disperser may cause the coils adjacent to the flame to absorb more heat energy than optimally designed. February 15, 2022 Heat transfer fluids are often taken for granted, ...