A:Buddhists use prayer wheels also known as Mani wheels from the mantra "Om Mani Padme Hum" written on their exteriors. The term wheel is somewhat misleading as the device is usually more cylindrical than wheel shaped.
Lamas
A prayer is inscribed on the wheel, and every time the wheel rotates, that prayer has (in some manner) been prayed. You can then set it up to be rotated by wind or water power, and it prays for you. Even religion can be automated.
The Mani wheel-a small hand-held prayer wheel mounted on a handleWater Wheel-spun by the flow of water; the water that touches the wheel is then blessedFire Wheel-turned by the heat of a candle or electric light; the light emitted then purifies negative kharmasWind Wheel-the wind that spins the wheel alleviates the negative kharmas of the people it touchesStationary Prayer Wheel-set up side by side so that people walking by can spin them all as they run their fingers acrossElectric Dharma Wheel-powered by an electric motor and have the capability to include lights and musicDigital Prayer Wheel-animated GIF's on websites send waves of good kharma
Yes, a wheelbarrow is an example of a device that uses both a wheel and axle. The wheel helps in reducing friction and allowing easy movement, while the axle serves as the central support structure for the wheel.
Inside a prayer wheel is a scroll with mantras written on it. turning the wheel in a clockwise direction brings merit. As you spin the wheel you could pay attention to your mind, noticing how it tends to fly from one thought to another. Just noticing and being present is enough.
A prayer is inscribed on the wheel, and every time the wheel rotates, that prayer has (in some manner) been prayed. You can then set it up to be rotated by wind or water power, and it prays for you. Even religion can be automated.
Two early uses of the wheel were in carts and potter's wheels.
What do you mean when you say medieval prayer.. please clarify that part of your question and I may be able to answer it.
wheel well.. let me think about that!
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HOTWHEELS!