Recent research in Alzheimer’s disease (AD) indicates that perceptual impairments may occur before the onset of cognitive declines, and can thus serve as an early noninvasive indicator for AD. In this ...

Discover how to build a magnetic repulsion motor capable of lighting LED bulbs using only magnets and basic components. This step-by-step tutorial covers the construction of the magnetic base, the ...

Perfectly packaged: Cross-sections of the empty phi29 prohead (left) and fully assembled virus (right) filled with DNA. A molecular motor (not shown) transports the DNA (red) into the prohead through ...

No extant maker's markings. Two circular field coils, 5" in diameter, are affixed to a wooden base with two metal straps. The field coils stand vertically with a coil armature rotating between them on ...