magnetic field Archives – The Green Optimistic green tech news, since 2008 Sat, 20 Oct 2012 18:02:23 +0000 en-US hourly 1 https://wordpress.org/?v=7.0 2667534 New Kind of Magnetic Solder Eliminates Toxic Lead https://www.greenoptimistic.com/magnetic-solder-eliminates-lead-20100308/ https://www.greenoptimistic.com/magnetic-solder-eliminates-lead-20100308/#comments Mon, 08 Mar 2010 21:12:56 +0000 https://www.greenoptimistic.com/?p=6833 A group of scientists at the Yale University have created a new type of magnetic, lead-free solder that could be used to manufacture electronics more efficiently and cheaply.

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]]> https://www.greenoptimistic.com/magnetic-solder-eliminates-lead-20100308/feed/ 1 6833 The Spin Seebeck Effect to Offer Low-Loss Thermoelectric Effect https://www.greenoptimistic.com/spin-seebeck-effect-electricity-from-heat-20081013/ https://www.greenoptimistic.com/spin-seebeck-effect-electricity-from-heat-20081013/#comments Mon, 13 Oct 2008 18:19:18 +0000 https://www.greenoptimistic.com/?p=1028 Eiji Saitoh experimented with a heated magnetized metal (nickel-iron), and found out that the electrons with up spins (aligned with the rod's magnetic field) created an agglomeration on the hot side, while the ones with down spins (unaligned to the rod's magnetic field), created an agglomeration on the cooler side.

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