Definition: A DC motor where the magnetic field is produced by permanent magnets instead of a field winding. Working principle: Permanent magnets create a constant magnetic field, so the armature ...
Whether you’ve added items to your holiday shopping list or are already wrapping gifts, this time of year is crucial for Vermont’s small businesses. Businesses in Winooski are hoping for a ...
We've rounded up the best star projectors for Black Friday, from scientifically accurate models to atmospheric mood lighting to help you drift off to sleep.