Humdinger means something or someone very remarkable or admirable. However, it was adopted in mid-1940 by American airmen to mean fast aircraft or vehicle or a smooth-running engine
Lensless glasses are a real trend — These purely fashion glasses have no lenses at all and are worn as style accessories in some parts of Asia and by fashion brands, with benefits like no fogging or reflection.
An "android" (andro - man; eide - looks like) is a robot built to look like a human, while a "cyborg" (cybernetic organism) is a living thing with mechanical parts
Surfactants in car wash soap reduce water’s surface tension, which lets the soapy water spread evenly over your car’s surface—lifting and suspending dirt, creating foam that clings and cleans.
Bite the Bullet: This phrase is believed to originate from the days before modern anesthesia when soldiers were given bullets to bite on during surgery to cope with extreme pain. This practice allowed them to focus on something else during painful proced
