Social distancing: How to Kill Time Without Killing Others?Under the quarantine, our whole species has been advised, if not ordered, to stay indoors to decrease the spread of CoViD-19 that is relatively weak, but highly contagious. Introverted people are naturally [...]
Look at every appliance, any technology, and many vehicles sold new today, and you’ll hear all sorts of claims about how more efficient that new thing is compared to its older versions. With those claims of better efficiency, you sometimes hear that the new technology will “pay for itself over time.” What does that mean, and how do we calculate that?
Momentum and GravityGravity - we all know, but the other behaves very differently. With momentum, you can overcome gravity itself.Gravity is the most well-known phenomenon on this earth. Everything is subject to it. Whether it be walking up and down [...]
Distance, Time, Speed, and AccelerationWhere are we going? And how are we getting there? How fast are we going there? How can we change that? Where did I leave my keys? In this article, we’ll answer the first four questions. [...]
Lift & DragSurely you have seen an airplane of some description. With 2.5 million people, traveling daily across more than 29 million square miles of airspace (source: FAA), it is difficult to imagine a world without air travel.But how do [...]