11 小时
Ideas corner on MSNFree Energy Science Experiment Magnet MotorFree Energy Science Experiment Magnet Motor ...
Loggerhead sea turtles ( Caretta caretta) are pretty loyal marine reptiles. Even with their roughly 8,000-mile-long ...
This short film is from the BBC Teach series experiments in controlled ... They link to the UK Science curricula. Pupils will observe that magnets can act at a distance. Pupils will observe ...
1 天
Ideas corner on MSNFree Energy Science Experiments Screw Motor Using MagnetFree Energy Science Experiments Screw Motor Using Magnet ...
The two magnetic fields overlap and slow the fall of the magnet. The science behind this braking force was described in the 19th century by physicist Heinrich Lenz who devised Lenz's law.
An experiment in Sweden has demonstrated control over a novel kind of magnetism, giving scientists a new way to explore a ...
Creating and sustaining fusion reactions—essentially recreating star-like conditions on Earth—is extremely difficult, and ...
Loggerhead turtles “dance” when exposed to food-associated magnetic fields, and their magnetic map may help them return to ...
Multiferroic materials, in which electric and magnetic properties are combined in promising ways, will be the heart of new ...
Scientists discover altermagnets, which have favorable properties of both of the two other kinds.
A research group led by Prof. SHENG Zhigao from the Hefei Institutes of Physical Science of the Chinese Academy of Sciences, ...
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