Published on: 2025-06-11 11:51:34
Pacemakers are used to stimulate a regular heartbeat when the body's natural electrical pacing system is irregular or not transmitting properly. Over the years, various power sources have been used for pacemakers, including thermoelectric batteries containing 2 to 4 curies of plutonium-238 (88 year half-life). As the term "thermoelectric" implies, the heat from the decaying plutonium is used to generate the electricity that stimulates the heart. At present (2003), there are between 50 and 100 p
Keywords: approximately pacemaker pacemakers plutonium used
Find related items on AmazonPublished on: 2025-06-22 08:49:40
This has been a long time coming, since the Brazilian Real has seen a 15-20% devaluation against the U.S. dollar in the last couple of years. But today, Apple announced it will be readjusting a few of subscription prices in the country. Up to 34% more expensive As usual, Apple has not commented on its reasoning for the price hikes. But in practice, as noted by iHelpBR, prices increased between 20% and 34% across the board, likely to reflect the current exchange rate and recent local tax increa
Keywords: 70 90 apple approximately plan
Find related items on AmazonPublished on: 2025-08-26 13:35:32
This article has been reviewed according to Science X's editorial process and policies . Editors have highlighted the following attributes while ensuring the content's credibility: Per-capita income and inequality in the Roman and Han Empires. Credit: Nature Communications (2025). DOI: 10.1038/s41467-025-58581-0 A trio of researchers from Bocconi University, in Italy, the University of Cambridge, in the U.K., and Stanford University, in the U.S., has found that there was more economic inequali
Keywords: approximately empire han researchers roman
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