We have an easy way for kids tomake a compassof their own. This simplemagnetic compasscraft needs only a few basic household supplies like water, needle, magnet and a small piece of foam or cork. Kids of all ages can make this easy DIY compass at home or in the classroom with this s...
They don't like to sit in water for more than a day or two and will begin to rot if they stay wet for much longer.This is why I highly recommend using pots with a drainage hole when you are first starting out with succulents.
a我爱你比任何 人更爱你 I like you comparing anybody to love you[translate] a⊥半身是素质.下半身是修養、 ⊥ half-length is the quality. The lower part of the body is the tutelage,[translate] aNamay Gerg Edison Namay Gerg爱迪生[translate] ...
The magnetic moment is a vector— it has a magnitude and a direction. It's related to both the magnetic field strength and the torque that the field exerts. A whole magnet's magnetic moments come from the moments of all of its atoms. In metals like iron, the orbital magnetic moment ...
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For the purposes of an MRI scan, we're only concerned with the hydrogen atom, which is abundant since the body is mostly made up of water and fat. These atoms are randomly spinning, or precessing, on their axis, like a child's top. All of the atoms are going in various directions,...
a发光细菌是一种特殊的细菌,它能在清洁的水中存活并发光,发光的强弱程度与该细菌的存活量有关。 The photobacteria is one kind of special bacterium, it can survive the concurrent light in the clean water, the illumination strong and the weak degree concerns with this bacterium survival quantity.[trans...
Treme posted aphoto of one to Facebook, asking friends to share so that it was clear she couldn’t be shamed into silence. But it did frighten her. “[E]specially when I am in the Bywater/Marigny…” she wrote, “I still feel like a stranger in a place that is not my city.”...
The problem is that when you throw a ball -- especially a heavy one like a medicine ball -- at something like a stool, the ball will knock the stool across the room and may even have enough momentum to bounce back. You can say where the stool was, but not where it is now. ...
Water is dimagnetic, which means that it exerts a weak magnetic field, and repels other magnetic fields. If a magnet is suspended over water, the water's dimagnetism will repel the magnet. This weakens the magnet's effect on other objects. When salt is added to water, it weakens the wa...