According to Bredt's rule, double bonds cannot exist at certain positions on organic molecules if the molecule's geometry deviates too far from what we learn in textbooks. This rule has constrained ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. This 10-inch, one-sided aluminum ...

Every student has faced a strange classroom rule that makes them question reality. For one computer science major, it came when his professor insisted he ditch his calculator for a “less programmable” ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...

Each fall, golfers in cooler climates invoke the "leaf rule" to lobby for a free drop when they can’t find their ball under a pile of foliage. Some use it as a concession to appease a frustrated ...

When we put our money in the market, or before we even do, one of the biggest questions we have is: How long will it take for this investment to really grow? Luckily, there's a mathematical shortcut ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Pre-orders have opened up for Moflin, Casio's AI-powered soft toy that interacts like a real pet.

The trapezoid rule prevents goaltenders from fishing for pucks in the corners, below the goal line. This allows a better flow of offense, and limits the goalie’s ability to enter open ice with the ...

The rule of 72 is a shortcut investors can use to determine how long it will take their investment to double based on a fixed annual rate of return. To use the rule of 72, divide 72 by the fixed rate ...

Israeli strike kills Al Jazeera journalists, Democrats respond to Trump's D.C. takeover, and more Length: Long Speed: 1.0x To take control of the police force of Washington, D.C., President Donald ...