Self-tutoring about skills that facilitate yard work: the tutor mentions knots. I recall, as a child, watching my father tie knots in various situations of quick improvisation. He had grown up around farming, and was also a military man. He …
Tutoring sciences, questions about technology arise. The tutor mentions how microwaves are generated. Within a microwave oven (for instance), how are the microwaves themselves generated? A simple answer is “from a magnetron.” To explain more, here’s what happens: A cathode …
Self-tutoring about technology: the tutor mentions the idea of fail-safe. My understanding of fail-safe is that, if a system within a larger piece of equipment fails, the system that has failed defaults to the most benign state possible. Yet, what …
Self-tutoring about video editing: the tutor mentions volume control on OpenShot. In this case, I’ll just refer you to this one minute video (for real), by EZ Tutorials, about how to manipulate the volume of a track in OpenShot.
Self-tutoring about technology: the tutor continues about directed energy weapons. In my post from February 7, I mention directed energy weapons, giving the example of lasers. Lasers for such an application are sometimes referred to as HELs (high energy lasers). …
Self-tutoring about technology: the tutor begins about directed energy weapons. Directed energy weapons, from my understanding, focus an energy beam at a target. Laser weapons are examples. A laser beam is different from natural light because of the way it’s …
Self-tutoring about fuel-burning propulsion: the tutor mentions the prefix “turbo.” To my understanding, “turbo” means the exhaust gas is used spin a turbine that compresses the air going into the combustion chamber. Source: grc.nasa.gov
Self-tutoring about new technologies: the tutor mentions ion drive. Ion drive creates ions from stable particles, then accelerates them out the back by an electric field, generating thrust. The thrust is very low, but expends even less mass compared with …
Self-tutoring about tech and business: the tutor mentions NFTs Depending on the context, NFT may stand for non-fungible token. A non-fungible token indicates a distinct item. Owning the token means you own the item, and the ownership is recorded on …
Self-tutoring about survival technology: the tutor begins about bow (as in bow and arrow) technology. A composite bow is one made from various different materials organized into layers, typically in an order that optimizes the power it is able to …