This 10-day guide on how to harden off seedlings will ensure your carefully nurtured indoor seedlings survive the transition to your garden.You’ve invested weeks of care and a decent chunk of money ...

What do gears, bearings, and shafts have in common? For one thing, they're often made out of steel. For another, they're subject to a failure mode known as rolling contact fatigue. Rolling contact ...

Gear manufacturers are frequently asked, “Is this gear strong enough for my application?” Without qualifiers, this question is ambiguous at best. The world record for deadlift is 536 kilograms (1,181 ...