Video: Here's a really neat animation that reveals how a chainsaw works. The piston inside powers the three-row shark teeth chain of blades at 113km/h! We get to see how the hundred of parts come together in this dissection animation and even cooler, get to see the manufacturing process of the all-important guide bar of a chainsaw (the metal plate of the chainsaw blades).
Dissecting A Chainsaw
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Tesla has announced Australian pre-orders for its solar roof, with installations starting in 2018. The idea is fantastic -- replace your house roof with solar tiles that look good, generate power and are even more durable than existing options. But in the real world, is it worth the price? We crunch the numbers to find out.
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