Magnets are pretty nice little tools. [EmGi] has used them in many a cool 3D printed build with great success. But getting them where you want can be really tricky. More often than not ...

After months of debating with myself, I finally decided to try a magnetic window cleaning tool as a last hope before employing someone to clean them for me. I was so impressed that it has now ...

Robotic tools are too big for ‘keyhole’ brain surgery – but a new miniature technology using magnets could change all that.

Their extremely small size is possible as they are powered not by motors but by external magnetic fields. Current robotic surgical tools are typically driven by cables connected to electric motors.