Ever wanted to know how engineers made their calculations before digital calculators were on every workbench? [Richard Carpenter] and [Robert Wolf] have just the thing—a sliderule simulator that can ...

Even entry-level oscilloscopes today have simple math functions such as adding or subtracting two channels. But as [Arthur Pini] notes, more advanced scopes can now even do integration and ...

After one too many rants to my best friend about my stubby, nail-glue–covered fingers (I’m a press-on nail fiend), she finally told me to book a dip powder manicure—the nail polish upgrade basically ...