Category: Engineering

Should I unplug my headphones? To be absolutely safe, do not have anything plugged in while powering the amp on or off. It’s worth noting that some headphone amps require you to leave them plugged in when turning on/off, some don’t care, and anything outside of that I have issues with due to inability to […]

Are crabs lay eggs? A female red crab can lay up to 100,000 eggs, which she holds in her abdominal sac. With the arrival of the waning moon, females make their way into the sea. In what looks like a dance, females brace themselves at the waters edge, and release their eggs. A female crab […]

How does salt make water denser? Adding salt to water makes the water denser. As the salt dissolves in the water, it adds mass (more weight to the water). This makes the water denser and allows more objects to float on the surface that would sink in fresh water. When salt is added to water […]

How do I manually backup my Mac? To perform a manual backup, click the Time Machine’s menu bar icon and select Back Up Now, or hold Ctrl and the icon for your backup drive and select Back Up Now. Your system is then backed up in the background. How do I backup my old iMac? […]

Is the bicentennial dollar worth anything? Clad bicentennial dollars in Mint State are much rarer in high grades than Proof clad coins that are common through PF69. Except for 1976 Type 1 that is worth $1,500 in MS66, most of the others are $55 in that grade, and all are rare in MS67 – especially […]

What did Egyptian religion look like? The religion of Ancient Egypt lasted for more than 3,000 years, and was polytheistic, meaning there were a multitude of deities, who were believed to reside within and control the forces of nature. What did Egyptians use to carve? Flint and copper tools were used to carve the wood. […]

Why are Hyundai and Kia so cheap? Hyundai and Kia are actually the same company. Hyundai purchased 50% of Kia in the late nineties. But what allows them to have lower costs is simple, they are the only automotive company that has a metal foundry. This allows Hyundai and Kia to make their own metals […]

What planes were used in the last crusade? The actual plane used in the filming of Indiana Jones and the Last Crusade was a Belgian Stampe SV. 4 biplane. Its actual registration is G-BHFG. The presence of a tailwheel and the flush wing tank separates it from a British De Havilland DH 82 Tiger Moth. […]

Is employer PF contribution deducted from salary? As per the Employees Provident Fund Act, the employer’s share cannot be deducted from the member. Also, it cannot be recovered from the salary of employees. If the employee PF was deducted and not paid, it is incorrect. Is employer contribution to PF included in CTC? Most employers […]

Should I be worried about bright red blood when I wipe? Common benign (non-serious) causes — If you see a small amount of bright red blood on the toilet paper after wiping, on the outside of your stool, or in the toilet, this may be caused by hemorrhoids or an anal fissure. Both of these […]