Why is a cross-headed screwdriver called a 'Philips' screwdriver?
In the early 1930s, the Phillips head screw was invented by Henry Phillips. Automobile manufacturers now used car assembly lines. They needed screws that could take greater torque and could provide...
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How to Make a Vodka Screwdriver?
The screwdriver is not only a popular drink, but also a drink that is very easy to prepare. Here's how to make one for yourself.
How to Make a Low Calorie Screwdriver?
This low-calorie screwdriver recipe lowers the amount of vodka and orange juice to minimize calories. Then, the drink is topped with diet lemon-lime soda. The result is a slightly carbonated drink ...
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How to Make a Twist of a Screwdriver?
Every vodka fan knows what a screwdriver is, and may have their own twist to the drink. Here's a sweet twist to the famous screwdriver drink.Serves 4
How does the amount of work the screwdriver does on the can compare with the amout of work you do on the screwdriver?
A screwdriver should be 100% efficient, if there are any small losses they will be due to deforming the screwhead, or frictional losses on the screwhead.