Perpetual motion devices are either a gag, a scam, or as in the case of this particular toy that [Big Clive] bought on AliExpress, a rather fascinating demonstration of a contact-free inductive ...

Human Rights Watch (HRW) on Monday called on Ethiopian authorities to take action to address a wave of improper detentions, stating that security forces have arbitrarily arrested several journalists ...

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Abstract: This article presents the design of a novel DC-offset cancellation (DCOC) circuit aimed to use in a homodyne continuous wave (CW) radar sensor receiver to overcome the leakage problem and is ...