Ultrasonic energy is widely used to sense the presence of nearby objects and even determine their distance if needed, as well as to measure fluid flow rates in industrial and scientific applications.

Condoms are effective barrier methods that help prevent pregnancy and protect against sexually transmitted infections (STIs). But it’s essential to use them every time and know how to use them ...

If you’re at all familiar with social media beauty crazes like slugging or glass skin, the likelihood that you’ve also heard of a gua sha tool is pretty high. But in case you don't know, gua sha ...

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Even though tobacco consumption in the country has declined over the last one and a half decades, it still remains higher than the global and South-East Asia regional averages, according to a World ...

Ministers tight-lipped on TV licence price hikes - but we've crunched numbers to work out what it could be Speculation is growing over how much the TV licence may rise in April. Several newspapers ...

We independently review everything we recommend. We may get paid to link out to retailer sites, and when you buy through our links, we may earn a commission. Learn more› By Thom Dunn Thom Dunn is a ...

Samantha (Sam) Silberstein, CFP®, CSLP®, EA, is an experienced financial consultant. She has a demonstrated history of working in both institutional and retail environments, from broker-dealers to ...

Jiwon Ma is a fact checker and research analyst with a background in cybersecurity, international security, technology, and privacy policies. Before joining Investopedia, she consulted for a global ...

A cash advance may seem like an easy way to get cash fast, but it can cost you a lot of money in interest and fees. Before you take out a cash advance, familiarize yourself with the terms, so you're ...

Stocks: Real-time U.S. stock quotes reflect trades reported through Nasdaq only; comprehensive quotes and volume reflect trading in all markets and are delayed at least 15 minutes. International stock ...

More than 75% of the planet's health and life support systems are in danger. The climate crisis is not a distant threat; it's happening right now and affecting what matters most to us. Hurricanes ...