Lifestyle self-tutoring: the tutor shares a recipe that’s proven popular. Some weeks ago: “If I bake something, what would you like?” “Chocolate cake.” Not too surprised, I went searching for a recipe. The first I found asks for more cocoa …

Lifestyle, baking: a chocolate cake recipe without cocoa Read more »

More self-tutoring about computer networks: the tutor shares the definition of peer-to-peer network. Peer-to-Peer (P2P) network: A network in which any computer is directly connected to any other, rather than through a server. The premise of P2P seems to be …

Computer science, networks: what is a Peer-to-peer (P2P) network? Read more »

Tutoring biology, the question about calcium in bone – specifically, which mineral form it takes – might arise. The tutor discusses it. The hardness of bone comes from the presence of hydroxyapatite: hydroxyapatite: Ca5(PO4)3OH found in bones and giving them …

Biology: what mineral form of calcium is found in bones? Read more »

Tutoring English, new vocabulary is always interesting. The tutor mentions derring-do. derring-do (noun): boldness; decisive bravery. Jumping the mud puddle in his white suit was an act of derring-do. Source: Gilmour, Lorna (editor). Collins Essential Canadian English Dictionary and Thesaurus. …

English: what does derring-do mean? Read more »

Tutoring biology, you might be asked about blood serum and/or blood plasma. The tutor mentions a distinction. In yesterday’s post I give an explanation of blood plasma: it’s blood minus the red blood cells, white blood cells, and platelets. Some …

Biology, nursing: what is blood serum, vs blood plasma? Read more »

Reading about networks leads to self-tutoring: the tutor mentions some ideas about Layer 2 vs Layer 3 in computer networks. As I understand, Layer 2, aka the link layer, is associated with data transmission in the context of frames. A …

Networking, OSI model: Layer 2 vs Layer 3 Read more »