Profile Picture

Dona Frank

donafrankkLast updated 11/6/2025

Ever wondered what happens when you hold your pee for too long? This educational overview explores the uncomfortable consequences, from bladder stretching to potential kidney complications and urinary tract infections. Learn why listening to your body is crucial for maintaining a healthy urinary system.

Discover the incredible West African lungfish, a species that can survive buried in dry soil without water for up to a year! Learn about this amazing adaptation and how these fish thrive in the marshes, rivers, and floodplains of Africa, breathing air with their two lungs.

Ever seen meat twitch? This educational showcases the scientific phenomenon of postmortem muscle contraction in freshly processed meat, explaining the chemical reactions that cause this bizarre twitching. Watch to understand the science behind this unusual occurrence!

Witness the incredible power of macrophage white blood cells as they hunt down and eliminate pathogens in this educational animation! Learn about the microscopic battles happening inside your body every day and discover the fascinating world of cellular biology.

Discover the fascinating world of wire EDM (Electrical Discharge Machining), a precision metal cutting process that creates seamless parts! Learn how this CNC-controlled method uses electrical sparks to melt metal, achieving incredible accuracy and avoiding distortion, making it ideal for high-precision manufacturing.

Learn how an automatic center punch uses a spring-loaded mechanism to create precise indentations on metal surfaces, guiding drill bits for accurate hole placement without a hammer! This tool is commonly used in metalworking and machining, making it an essential for any workshop.

Discover the enduring appeal of manual transmissions! This video explores the simplicity, efficiency, and reliability of manual gearboxes, highlighting their mechanical advantages and cost-effective maintenance, making it a must-watch for car enthusiasts and anyone interested in automotive engineering.

Discover the fascinating process of friction welding, a technique widely used in aerospace, automotive, and heavy industries to create strong, clean joints without additional filler or external heat. Learn how this method uses rotation and pressure to fuse metal pieces together, forming a durable bond, and see why it's essential for modern manufacturing.

Ever wonder why drag racers meticulously clean their tires before a race? This educational short explains how cleaning tires is vital for optimal grip, performance, and safety in drag racing, where every millisecond can determine the winner. Learn about car races and tire maintenance!

See how bolt resin capsules are used in mining and tunneling to stabilize rock and prevent collapse! This fascinating process involves inserting the capsule into a drilled hole, spinning a bolt, and watching the chemicals mix and harden in seconds to secure the surrounding area.

Discover the secrets of powder coating, a cutting-edge electrostatic process that protects and finishes metal parts in the automotive and appliance industries! Learn how this dry process creates a durable, corrosion-resistant finish, ensuring longevity and quality for various metal components.

Ever wonder what happens when a car drives through deep water? This video explains how water can enter the engine and cause serious damage, leading to expensive repairs. Learn about the dangers of flooded streets and how to avoid potential engine problems!

Get the full app experience

Open in Snapchat
What Dona Frank is posting about