Useful tips for everyday
How much can a fan lift? A 15 cm diameter fan could maybe lift 4 kg of mass with a tip speed of 0.6M. By…
Can you predict clear air turbulence? Clear-air turbulence is usually impossible to detect with the naked eye and very difficult to detect with a conventional…
What is the vertical antenna? The vertical is a popular antenna among hams who lack the space for a beam or long wire antennas. In…
What should the maximum neutral voltage in a three-phase wye system be? The maximum neutral current of 173% of phase current is typically seen only…
How do you comment on AppleScript? Explanation: Comments are used to explain something in the script or give information about the script. Comments are ignored…
How do I debug a cron job? Append 2>&1 to the end of your Crontab command. This will redirect the stderr output to the stdout.…
How do you read a Schottky diode? Connect the red positive test lead to the anode of the Schottky diode and the black common test…
How do you recolor in sketch? To get started, head to Edit > Find & Replace Color and select the color you want to replace…
How do you measure the voltage of an Arduino battery? Connect a stable power supply, such as a 9V battery across the resistor network. Measure…
Can you pinch zoom with magic mouse? Magic Mouse – Pinch in / Pinch out gesture for zoom in or zoom out. How do I…