A 3D shape with all straight edges and flat faces is a polyhedron. Other 3D shapes with least one curved surface are not polyhedra. A 3D shape with regular polygonal faces, meeting at equal angles, is ...
Digital Camera World on MSN
Play with prisms to get this psychedelic effect in you portrait photos
Create a kaleidoscopic effect with distorted visuals and vibrant colours. Prism portraits are quirky and guaranteed to turn ...
If you’ve spent more than a few hours in Hell is Us, you’ve probably noticed those pulsing rifts shredding the sky. Those are Hell is Us timeloops – pockets of twisted space that keep spitting out ...
Abstract: Brushless DC (BLDC) motors are typically driven by a voltage source inverter (VSI), which can be fed by an AC-DC step-down power factor correction (PFC) converter for a high power factor (PF ...
Abstract: Wearable robots and powered exoskeletons may improve ambulation for millions of individuals with poor mobility. Powered exoskeletons primarily assist in the sagittal plane to improve walking ...
White spots on the nails most often result from a small injury, like biting your nails or jamming your fingertips. Nail care products sometimes irritate or weaken your nails, leading to white spots.
Spermiogenesis and sperm ultrastructure were analyzed in two species of characids with different modes of fertilization: externally fertilizing Hemigrammus erythrozonus and inseminating Corynopoma ...
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