资讯

Amazon S3 on MSN10 天
Magnetism Experiments: Bar Magnets, Iron Filings & Compass Science
The video explains the concepts of magnetic, electric, and gravitational fields using simple demonstrations. It shows how ...
Hackaday2 年
Iron Nitrides: Powerful Magnets Without The Rare Earth Elements
These experiments showed that these films may have two to three times the magnetic energy product, a key measurement in determining the strength of a magnet, than neodymium magnets. Along with all ...
Hackaday5 年
Magnets Turn Flexible PCB Into Electric Grasshopper
Attached to the circuit with folding arms is a stack of two permanent magnets, which work as the ... one centimeter off the table like a little electric grasshopper. This is far from [Carl ...
Interesting Engineering on MSN5 天
Two-stage plasma trick helps electron beams behave better in tiny accelerators
Scientists from Germany's DESY have come up with a two-stage correction approach to speed up electrons just like they do with ...
Bloomberg L.P.29 天
The New Magnets That Could Change the World
It’s fair to say that without magnets, your gadget-filled world would ... offer has turbocharged the need for technologies such as electric vehicles, wind turbines and most importantly efforts ...
Business Insider7 年
These magnets 'eat slime'
An curved arrow pointing right. These magnets "eat slime!" They're experiments conducted by YouTuber Mirko Pafundi. He makes videos about one thing... MAGNETS! His page features over 100 magnetic ...
iaea.org2 年
Magnetic Fusion Confinement with Tokamaks and Stellarators
How a tokamak works: The electric ... experiments produce bursts lasting just fractions of seconds, and achieving and sustaining these fusion reactions for prolonged periods remains a major challenge.