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Detailed inspection of the upper portion of the crack (Figure 2, rotated to an orientation about halfway between the left and right views of Figure 1) revealed a ridge pattern with finer steps merging to coarser ones from bottom to top (equivalent to left to right on Figure 1).
Whenever energy and power are needed in today’s age of miniaturization, rare-earth magnets are called upon to play a vital role. Applications abound, from the family car that uses on average 30 such magnets to powerful levitation systems on magnetic trains. All of this is made possible by elements with strange-sounding names: neodymium, lanthanum, samarium, yttrium and scandium – some of the “rare earths” or Lanthanide elements in the periodic table.
Democrats on Capitol Hill are quickly pushing through a $1.9 trillion COVID relief bill without much standing in their way other than members of their own party. Democratic leaders in the U.S. House of Representatives intend to pass the legislation championed by President Biden no later than February 28, at which point the Senate will begin consideration of the bill.
My last blog post discussed the changes to U.S. copyright law that were contained within the Consolidated Appropriations Act, 2021 (“CAA”), which was signed into law on Dec. 27, 2020, primarily to provide relief from the economic damage caused by COVID-19.
The purpose of science is to reveal how the physical world works. The human world, including psychology and other social sciences, is part of the physical world. The human experience of consciousness, including our ability to experience aspects of the physical world through our sensory apparatus, is part of science.
While not his first invention, the hammer – and, in particular, the hammer head – has helped man expand his universe like no other invention until the advent of the personal computer. Through the centuries the hammer head has kept up with the times, evolving from the Stone Age to the Bronze Age to the Iron Age and through the Industrial Revolution (the Steel Age) to encompass materials such as stainless steels, tool steels and nonferrous alloys. Without heat treating, however, today’s hammer head would be no more useful as a tool than the ones whose heads were made of stone.
The Consolidated Appropriations Act, 2021 was signed into law on Dec. 27, 2020. The primary purpose of the law is to provide relief from the economic damage caused by COVID-19. However, the law also includes two significant changes to U.S. copyright law.
Rumors had long circulated throughout Washington, D.C. that the incoming Biden administration would take steps to create a new workplace safety policy with uniform OSHA guidelines for employers. On January 21, 2021, President Biden issued an Executive Order directing OSHA to issue revised guidance to employers on workplace safety during the COVID-19 pandemic and an Emergency Temporary Standard, if necessary, by March 15.