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 ...

In this video, I built a DIY Modern Dining Table measuring 66" x 32" out of Baltic birch plywood, a material that's both sturdy and easy to work with. The table can be constructed for approximately ...

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 ...

Three decades ago, financial adviser Bill Bengen created a retirement principle called the 4% rule. It went viral. Now, the rule is getting an update. The 4% rule says you should plan to spend 4% of ...

Archaeologists in Poland discovered 5,500-year-old tombs dubbed “Polish pyramids.” The oversized graves feature earthen mounds in a trapezoidal shape, some stretching 656 feet in length. The scene ...

Sixtie, a new bracelet watch, was inspired by a design from the late 1960s. By Robin Swithinbank At the annual Watches and Wonders fair in Geneva this week, few brands are expected to introduce new ...

Abstract: This paper presents an extension of the well-known trapezoidal (bilinear) integration rule, that in the present work is applied to the numerical evaluation of fractional-order integrals.

James is a published author with multiple pop-history and science books to his name. He specializes in history, space, strange science, and anything out of the ordinary.View full profile James is a ...

Abstract: Temperature prediction in the tin chemical process (TCP) is crucial for implementing production process monitoring and predictive control. However, TCP’s discrete-continuous hybrid structure ...