• 轻声讲话和唱歌能降低新冠病毒传播风险

    20-08-26 Sing softly and dont shout to reduce the risk of Covid-19 spread, new research suggests, offering a ray of hope for musicians who have been restricted from performing in public. 新研究指出,轻声歌唱、不喊叫可以降低新冠病毒传播风险,这给那些被限制在...

  • 世界上最小的液滴

    13-05-19 Physicists may have created the smallest drops of liquid ever made in the lab. That possibility has been raised by the results of a recent experiment conducted by Vanderbilt physicist Julia Velkovska and her colleagues at the Large Hadron Collider,...

  • 喷洒农药会造成颗粒悬浮

    12-03-21 Chemical additives that help agricultural pesticides adhere to their targets during spraying can lead to formation of smaller satellite droplets that cause those pesticides to drift into unwanted areas, Purdue University researchers have found. Carl...

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