Question: How long will supplemental oxygen last after the masks drop in an emergency?

— Submitted by reader John A., N.J.

Answer: On typical airliners oxygen generators will last 10 to 14 minutes. That is more than enough time to descend to 10,000 feet or the lowest altitude abo

Battery-electric VTOL aircraft should do a superb job as short-range cross-town air taxis, but there are a whole lot of other trips they could handle quicker and more conveniently than existing transport options if they could just fly a bit further. Several companies are now planning low-emiss

The “hydrogen economy” may be a thing after all.

It is an odd twist of chemistry that there is fuel embedded in the most common substance on earth: water.

Hydrogen — the H of H2O fame — turns out to be something of an all-purpose element, a Swiss Army knife for energy. It

There were 1,101 press releases posted in the last 24 hours and 219,768 in the last 365 days.

Nanomedicine market size was valued at USD 171,695.33 million in 2020 and is projected to reach USD 393,046.52 million by 2030, registering a CAGR of 9.2%

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WRIGHTSVILLE BEACH, N.C. (WECT) - In the last year, the nation has dealt with plenty of shortages including gas, baby formula and even teachers. Now, your beer could be in trouble.

It’s not the beer itself that’s in short supply. Carbon dioxide, also known as CO2, is used in nearly e

Ozonics Hunting just released its all-new HR500 in-the-field ozone generator! Watch as Editor Christian Berg demonstrates the HR500 in action and talks about how it can help you be a more successful deer hunter this fall.

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Uzone.id - The Nikuba mini generator or Niku Banyu (This is Water in Javanese) made by Aryanto Misel (67), a resident of Lemahabang Wetan Village, Cirebon, West Java, is claimed to be able to drive a motorcycle without the help of gasoline.The wireless system is said to be able to destroy hydroge

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If you want to be able to charge your small electronics in the wild, then you might want to consider making your own little hydroelectric generator? 

If so, follow this little guide t