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aPeople glue themselves to the warm bed 人们胶合自己对温暖的床 [translate] aWater molecules have no memory, and therefore it is silly to talk about the number of times that the water you drink has been polluted and repurified, as if the molecules gradually wore out. 水分子没有记忆,并且...
Each of these represent the forefront of the ability of powder diffraction, as they all introduce complications through large numbers of independent molecules and/or disorder.;Two families of materials will be presented in detail, coordination polymers containing pyrazine and HF-2 and Prussian Blue ...
It might sound like science fiction, but it’s actually built around an age-old method of materials analysis known asnear-infrared spectroscopy. Basically, this process involves shining a near-infrared light onto the surface of a given material, which causes the molecules to vibrate and bounce ...
In the video animation you saw the remarkable way our DNA is tightly packed up so that it fits into the microscopic nucleus of every cell. The process starts when DNA is wrapped around special protein molecules called histones. The combined loop of DNA and protein is called a nucleosome....
To move an object, you interact with it in much the same way as you would in the physical world: fingers manipulate; palms and arms push. Virtual objects tend to have the resistance and stiffness of their real-world counterparts for these actions. Virtual gravity and momentum may be “turne...
"We found the DNA of species that we think passed through humans and the wastewater treatment system—tilapia, salmon and red snapper, for example—species you shouldn't find swimming in the Hudson River," he says, adding that eDNA could therefore help identify endangered species being sold as...
The pool area was empty as I walked into the still water. A man in a bathing suit appeared. He sat on the edge of the pool with his legs moving up and down in the water. He had dark hair and deep brown eyes and smiled. ‘Where are you going?’ he asked. When I told him som...
When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Copies of the Golden Record, sent journeying into deep space on the sides of the Voyager 1 and Voyager 2 probes in 1977, carries the sounds and music of Earth as well as a series...
A kazoo might seem a world away from the spoken word. But our ability to produce its buzzing, Donald Duck-like sound at will was key in us ever developing the ability to speak at all. And while our capacity for speech is unique, my colleague Robert Shuma