Objectives The use of economic evidence to prioritise vaccines and delivery strategies to optimally use in immunisation systems is becoming a global priority, especially in low- and middle-income ...
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How GPS really works, how satellites calculate your position and why accuracy has limits
In this video, we break down how GPS determines your position using satellite timing, atomic clocks, and distance calculations. We also explore the real world sources of error, from atmospheric ...
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…and substances will be identified by mini devices based on metalenses, says VTT Research. A new record in optical-clock absolute frequency measurements. A research team at VTT MIKES, a Helsinki, ...
We collaborate with the world's leading lawyers to deliver news tailored for you. Sign Up for any (or all) of our 25+ Newsletters. Some states have laws and ethical rules regarding solicitation and ...
A research team at VTT MIKES has set a new record in optical-clock absolute frequency measurements using a strontium single-ion clock with exceptionally low uncertainty and high uptime. The official ...
The official definition of the second is set to be updated for the first time in decades. The change will be based on new optical clocks, which are far more precise than today’s standards. Now, ...
The Trump administration’s plan to redefine what constitutes a professional degree would exclude nursing and limit access to student loans — outraging national health care groups and leaving nursing ...
This site displays a prototype of a “Web 2.0” version of the daily Federal Register. It is not an official legal edition of the Federal Register, and does not replace the official print version or the ...
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