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2. Electromagnetic lock - Wikipedia

   en.wikipedia.org/wiki/Electromagnetic_lock

   In order to provide the shear magnetic lock with the appropriate holding force, then two pins lock the armature onto the magnet itself, and ensure that the magnet locks into place. An improved "shear" electromagnetic lock was patented on May 2, 1989, by Arthur, Richard and David Geringer of Security Door Controls, an access control hardware ...

3. Drawer pull - Wikipedia

   en.wikipedia.org/wiki/Drawer_pull

   Bail handle drawer pulls. A drawer pull (wire pull or simply pull) is a handle to pull a drawer out of a chest of drawers, cabinet or other furniture piece. [1] [2]A highboy full of drawer pulls, backed by eschutcheon plates Drawer pull in the shape of a double-headed eagle, Petit appartement de la reine, Palace of Versailles

4. Force between magnets - Wikipedia

   en.wikipedia.org/wiki/Force_between_magnets

   Magnets exert forces and torques on each other through the interaction of their magnetic fields.The forces of attraction and repulsion are a result of these interactions. The magnetic field of each magnet is due to microscopic currents of electrically charged electrons orbiting nuclei and the intrinsic magnetism of fundamental particles (such as electrons) that make up the mater

5. Electromagnet - Wikipedia

   en.wikipedia.org/wiki/Electromagnet

   The maximum pull is increased when a magnetic stop is inserted into the solenoid. The stop becomes a magnet that will attract the plunger; it adds little to the solenoid pull when the plunger is far away but dramatically increases the pull when the plunger is close. An approximation for the pull P is [11]

6. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

7. 20 useful and innovative gadgets to make life easier for ...

   www.aol.com/lifestyle/products-to-make-life...

   The Original Under Cabinet Jar Opener is a pretty genius kitchen ... Attached cords are used to pull the sock up onto the foot all the way. ... This best-selling model at Walmart has nearly 25,000 ...