Gear-obsessed editors choose every product we review. We may earn commission if you buy from a link. Why Trust Us? Few things will try your patience the way a stripped screw or bolt can. It seems ...

The best-laid DIY project plans can hit a snag if a stripped screw turns up. Though stuck fasteners with stripped heads can certainly slow down your progress, they’re not impossible to deal with. We ...

Planet Earth is spinning at a rate of 0.0007 rpm. Easy to calculate: One revolution per day, divided by 24 to get revs/hr and then by 60 to get revs/min = rpm. As for linear speed, it depends on where ...