some concepts for innovative science model.........
concept can be old but it should be new invention.....
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There is a charger maDe of 5 rs coins that can be made.that is fabulous and very easy but little complex.
Please don't delete this answer......
Please don't delete this answer......
shouryaanand:
how to do it
see in you tube or it is the latest just 1 month or 2 have passed for this invention or u can check on amar ujala newspaper of this month.......
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Pen to check concentration
A pen with pressure sensors on the grip to indicate loss of concentration when the grip loosens.
A pen with pressure sensors on the grip to indicate loss of concentration when the grip loosens.
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sis it is already done and we want something new
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