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UAPs, Formerly UFOs, If They Are Real How Can We Explain Their Arrival to Earth?

Thank you for your comment in answer to my previous observation and question. Your answer alerts us to "visual confirmation" of something planetary as opposed to something Kuyper Belt-like. Is the current technology sufficiently strong for ...

DerdriuMarriner, 3 hours ago

Overcoming Difficulties Encountered with Mathematics

Thank you for your comment in answer to my previous observation and question. The introductory section advises us, in its second paragraph, that "The placement test for algebra was the first one given, and if a student passed it additional ...

DerdriuMarriner, 3 hours ago

Aurora Can Disrupt Electrical Devices And Even the Grid?

Thank you for your comment in answer to my previous observation and question. Does auroral activity damage or do in the electronic devices in astronaut/cosmonaut suits during space walks or space-station exterior repairs?

DerdriuMarriner, 3 hours ago

Multivariable Calculus: Gradient, Divergence, and Curl

Thank you for your comment in answer to my previous observation and question. Your answer advises us that magnetic-field reversal perhaps arises in "about 1000 years, but recent observations indicate maybe sooner." Do we know about how much -- ...

DerdriuMarriner, 3 hours ago

Polar Coordinate System

Thank you for your comment in answer to my previous observation and question. The fifth subheading, Polar graphs, contains, with its information about limaçons, the statement that "If the magnitude of a is between the magnitude of b and of 2b ...

DerdriuMarriner, 3 hours ago

TheThousand Year Garden

The next-last sentence in the last subheading, Conclusion, alerts us that "beautiful places are oft threatened by capitalists endeavouring to turn them into car parks." Are such changes as beautiful garden to car park arising because of the ...

DerdriuMarriner, 4 hours ago

TheThousand Year Garden

A number oxsaxon aristocrats kept hold of personal wealth and land, for a while, if they did not fight for Harold. But it was a shor5 term measure, eventually they inte4rmar8ed with the saxonxs

frankbeswick, 7 hours ago

Overcoming Difficulties Encountered with Mathematics

Yes, but math skills imply one has developed logic. I do not consider rote learning of math processes as worthwhile. Students should always ask why, and building on understanding.