Pat Logan
Extracorporeal Shock Wave Lithotripsy (ESWL): This is a fancy term for using powerful sound waves to break up kidney stones. Read More Lots More Information Sources = Share: Citation More Awesome Stuff Up Next How Hearing Works Explore More Physical Science Can a sound wave kill you?
• To avoid the risk of electric shock, make sure your hands are dry before plugging/unplugging the monitor to/from an electrical outlet • Do not press down the screen when cleaning the monitor. Pressing down can cause scratches or damages to the display ...
electrical shock or other injuries resulting from either direct or indirect electrical contact. NFPA 70E is the tool employers use to meet this OSHA requirement. For example, OSHA mandates that all services to electrical equipment be done in a de-energized state. “Working live” can only be ...
One type that can be found built directly into outlets, particularly near bathroom sinks, is the ground fault circuit interrupter or GFCI. These sophisticated breakers are designed to protect people from electrical shock, rather than prevent damage to a building's wiring. The GFCI constantly monitor...
Electricity can shock you! Always take proper precautions when working with electricity. Don’t work in an environment with flammable liquids or gasses. Electricity can produce sparks, which could ignite combustible material. Refer to your vehicle’s safety manual and a reputable repair manual before...
The first time Musschenbroek used the jar, he received a massive shock. By the later 1700s, the scientific community was beginning to get a clearer picture of how electricity worked. Benjamin Franklin ran his famous kite experiment in 1752, proving that lightning was electrical in nature. He ...
A subsonic speed is below the speed of sound; a supersonic speed is above the speed of sound. An object traveling at supersonic speed produces shock waves rather than ordinary sound waves. A shock wave is a compression wave that, when produced in air, can usually be heard as asonic boom...
When you get an electric shock, it interrupts the normal operation of the system, sort of like a power surge. A shock at the lightning level can cause your body to stop. The electrical process doesn't work anymore — it's fried. But that’s a story for another time. Human Body Makes...
100 Days: Shock and Awe on the Economy Americans and Canadians are ticked off with Trump, and Amazon’s in Trump’s dog house. Aneeta Mathur-Ashton April 29, 2025 Lunch Break: Trump vs. Amazon Sentiment has fallen well below what the economic data shows, indicating growing pess...