Category Archives: b

Who’s Behind Wednesday’s Epic Twitter Hack?

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Twitter was thrown into chaos on Wednesday after accounts for some of the world’s most recognizable public figures, executives and celebrities starting tweeting out links to bitcoin scams. Twitter says the attack happened because someone tricked or coerced an employee into providing access to internal Twitter administrative tools. This post is an attempt to lay out some of the timeline of this attack, and point to clues about who may have been behind it. Continue reading Who’s Behind Wednesday’s Epic Twitter Hack?→

Leadership Articles – Business Security Weekly #106

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In the Article Discussion, Matt and Paul talk the key to better focus and higher productivity, living your life on purpose, why people are willing to do more meaningful work for less money, the fundamentals of leadership, and more! Leadership Articles … Continue reading Leadership Articles – Business Security Weekly #106→

Leadership Articles – Business Security Weekly #105

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In the Leadership Articles, Matt and Paul talk how getting fired can be good for your career, a powerful planning routine that puts you in control, how to get better with sales execution, and more! Full Show Notes Hosts
The post Leadership Articles &#8… Continue reading Leadership Articles – Business Security Weekly #105→

B Battery Takes a 9V Cell

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Old American radios (and we mean really old ones) took several kinds of batteries. The A battery powered the filaments (generally 1.5V at a high current draw). The B battery powered the plate (much lower current, but a higher voltage–typically 90V). In Britain these were the LT (low tension) and HT (high tension) batteries. If you want to rebuild and operate old radios, you have to come up with a way to generate that B voltage.

Most people opt to use an AC supply. You can daisy-chain a bunch of 9V batteries, but that really ruins the asthetics of the …read more

Continue reading B Battery Takes a 9V Cell→

B Battery Takes a 9V Cell

Posted on by

Old American radios (and we mean really old ones) took several kinds of batteries. The A battery powered the filaments (generally 1.5V at a high current draw). The B battery powered the plate (much lower current, but a higher voltage–typically 90V). In Britain these were the LT (low tension) and HT (high tension) batteries. If you want to rebuild and operate old radios, you have to come up with a way to generate that B voltage.

Most people opt to use an AC supply. You can daisy-chain a bunch of 9V batteries, but that really ruins the asthetics of the …read more

Continue reading B Battery Takes a 9V Cell→