are maintained so that a node has a good idea of where to send a packet to advance it toward its final destination, and a node may know with great confidence how to route a packet even if one is not ready to go. Maintaining this knowledge across a MANET requires resources. If the con...
“Rainforest Sounds” by Nature Sound Retreat –A full hour of birds, water drops, and rustling leaves. “Crackling Fire & Night Forest” by ASMR Weekly is great for late–night isopod watching when everything’s quiet and still. “Insect Chorus” by Wild Ambience –A subtle, ambient sound...
“Frankly, Chicago conditions before the war were the worst that this writer has ever seen anywhere,”Mathews wrote, citing a specific occasion when an entire antenna was“forcibly and thoroughly removed”thirty minutes before a scheduled relay time. When a replacement was built, it was manned wi...
All this changed with the VLA. As Dave Heeschen (1991) noted, Most radio astronomy in those days was done by radio physicists and engineers who invented, built, and then used their own instruments. New telescopes usu- ally came about either because someone had a bright idea, developed ...
Battery Corrosion: The Silent Enemy of Electrical Performance:Corrosion associated with all forms of batteries can destroy not only the battery, but also the equipment around it, so its important to understand how it occurs, how to precent it, and perform remedial action when it has happened. ...
It was not until 1924 that the voice-based wirelesstelephonehad the ability to be bi-directional, or two-way.Bell Laboratoriesinvented this breakthrough telephone. Not only could people now receive messages wirelessly, they could also respond to the message immediately, greatly increasing convenience...
Joe's. WhenTiventold the sharp-dressed man he was making a record with Steve Cropper, "He just lit up like a firecracker and said he'd like to bring us a song. I said, 'Well, it's only going on the record unless you play on it.' And he said, 'Well, tha...
The acrylic paint drying time depends on its composition. Different manufacturers use their own recipes to produce the desired color effect as cheaply as possible. There is no blanket answer for the drying time just like when you need help with accounting homework. Influences on the drying time ...
Coincidently this is when the material was used experimentally by Mugi-the small tough delta glider was invented. This rapidly developed into a high performance design-the Mugi Evo. Popular worldwide as the plans were immediately launched freely on the Internet. Any grade or thickness of the mate...
to bring the "laboratory" transistor, the not yet invented transistor radio circuitry, and the manufacturing of miniature discrete components into reality. An excellent article that captures the historic significance of the TR-1 and how industry met the challenge.hear Robert Simcoe 2004 NPR interview...