Whether you call it a trimmer, a weed whacker, or a weed eater, these precision lawn tools give your grass nice, crisp edges.

The electrical design, of course, is trivial. A computer fan, a switch, and a battery — in this case, a Makita power tool battery. But the Fusion 360 design for the 3D printed parts got a lot of ...

The battery built by his team endured 500 complete charge cycles—about as many as the batteries in most smartphones are ...

You can find both in corded and battery-powered form, and they're available from most major power tool brands. Angle grinders and cut-off tools might seem like the same tool, but there are some ...

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I loved this powerful, well-balanced saw and its long battery life, despite its cost and recharge time. The Husqvarna ...