Abstract: We propose a new physical layer security scheme for a wiretap channel in polar-coded OFDM-based wireless communication systems. Our approach is based on the adaptive bit channel selection, ...

When fixing home appliances, we may be doing more harm than good when tightening the screws too much. This Harbor Freight ...

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Dirty brushes can damage your skin and ruin your makeup—so let’s fix that. In this video, we show you how to properly clean ...

All the gripes aside, the XLX 4.2V cordless screwdriver is a great tool for $15. The handle could benefit from some soft overmoulding, and the LED light only comes on when the tool is running, but for ...