Articles, tagged with "weather resistance", page 1

DC motors are those that run on DC electricity, also known as direct current. They were invented with the goal of getting rid of internal combustion engines like those that run on steam. Some DC motors, like those found in electric cars, operate with the ...

Whenever the aging Pentax K20D ended up in to a reduce price bracket it signalled the release of a brand new design Pentax DSLR to take its place. The Pentax K-7 has a lot in common with its Pentax K20D sibling though it has a several aces up its sleeves ...

After all the time and effort it takes to create a work of art, the last thing you want is for all of your hard work to be ruined by being bent and mangled inside your portfolio. It only takes one bump or spilled drink to undo hours of hard work. While ...