Benzalkonium chloride (BAK) is a common preservative composed of quaternary ammonium compounds with 8–18 carbon alkyl chains, mainly C12, C14, and C16 homologs. Because BAK can adsorb to surfaces, ...

Despite distressing rumors, casting for rainbows on the Little Red River was a superb way to spend the last day of September. My drive to Heber Springs was punctuated by an urgent phone call from a ...

EXCLUSIVE: Alabama officials insist nothing problematic is going on with the state’s prison system, but evidence secretly collected by inmates themselves shows otherwise. Their shocking footage, ...

GameSpot may get a commission from retail offers. This first puzzle won't be as tricky as some of those you'll encounter later, like the shrine vault puzzle or the Silent Hill f locker codes, but it ...

STANLEY, N.D. — A pipeline leak in northwest North Dakota has spilled an estimated 20,000 barrels, or 840,000 gallons, of crude oil and produced water onto agricultural land, the Department of ...

SpaceX has a new heatshield solution that is called the crunchwrap. ChromeKiwi has some graphics that explain it. SpaceX has decided they need to seal the tiles. Metal heat shield tiles had heavy ...

On a wooden table in the T1 Executive Suite, noted by having 3 chairs around it On a coffee table in the west corner of the T1 Executive Suite, the one with a toppled-over lamp and chair On the ...

Calling the equilibrate method on mixtures containing a `binary-solution-tabulated phase using the VCS solver can give strange results. I have noticed that there are jumps between different solutions ...

Consider someone who’s perfectly content with their office chair. It’s not ergonomic, it doesn’t have lumbar support, but it works. Then, during a meeting or a visit to a friend’s office, they sit in ...

1 Jiangxi Provincial Transportation Investment Maintenance Technology Group Co., Ltd., Nanchang, Jiangxi, China 2 Powerchina Jiangxi Electric Power Engineering Co., Ltd., Nanchang, Jiangxi, China ...

Cement is one of the most widely used — and most polluting — materials on the planet, with the demand for it rising as cities expand. A team of scientists from Shibaura Institute of Technology in ...