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How To Use Laser Levels

How To Use Laser Levels

Curious about laser level? Watch the demo and Learn How To Use Laser Levels. In surveying and construction, the laser level is a control tool consisting of a laser beam projector. The tool is leveled according to the accuracy of the device and projects a fixed red or green beam about the horizontal and/or vertical axis.
Stopped posting to Facebook, a Danish broadcaster saw its traffic stability improve

Stopped posting to Facebook, a Danish broadcaster saw its traffic stability improve

Traffic from Facebook declined, but the remaining readers spent 42 percent more time on articles and read 12 percent more pages per session.
WATCH: What Happens When a Bullet Hits an

WATCH: What Happens When a Bullet Hits an 'unbreakable' Prince Rupert's Drop

For those of you who aren't familiar with the Prince Rupert's drop , this weird, scientific enigma is a glass object that's created by dripping molten glass into very cold water.
A Feather and a Bowling Ball Dropped Together Inside the World’s Largest Vacuum Chamber

A Feather and a Bowling Ball Dropped Together Inside the World’s Largest Vacuum Chamber

Physicist Brian Cox of the BBC Two program Human Universe recently visited the world’s largest vacuum chamber at NASA’s Space Power Facility outside of Sandusky, Ohio, to demonstrate the effects of…
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