By consuming this crystal-clear liquid you become imbued with the very essence of artifice, science, and craft.
*You are now the greatest scientist, engineer, and inventor alive, and perhaps the greatest that has ever lived. Your aptitude for such things as mathematics, the physical sciences, mechanical intuition, etc., is so high that such things are as effortless as blinking or breathing for you. Having actual instructional materials or samples/phenomena available to study and reverse-engineer is still very useful for you, but even without them you can still work out entire bodies of knowledge merely from first principles - it just takes longer.
*In addition to your prodigious scientific and engineering talent your overall cognitive functions such as perceptiveness, learning speed, reaction time, and pattern recognition are heightened to the highest levels naturally attainable for your species. You also gain a perfect memory with infinite storage, instant recall, perfect indexing, tamper-proofing, and protection from harmful memories.
*The only limits on your scientific talent are what resources are available to work with and the inherent physical laws and limitations of the cosmos you inhabit... the true limitations, not just the ones that are believed to exist by other, lesser scientists. Otherwise the sky is the limit. Engineering superpowers in yourself or other people, outright miracles of medicine, "clean" zero-point energy, artificial intelligence, power armor, whatever... provided that it could hypothetically be possible for someone else someday, you can start doing it right now.
*Almost any field of knowledge is valid for your talents as an Inspired Inventor, not merely technology or engineering. Study political science and come up with ideas on how to vastly streamline and re-engineer administrative systems, devise new and highly effective martial arts by working from basic principles of biology, anatomy, and applied physics, create new languages that allow speaking or thinking with greater efficiency, or use your study of mathematics and harmonics to compose wondrous new music; all this and much more is possible for you.
*Your status as an Inspired Inventor lets you accomplish your research & development projects without assistance and with incredible speed. Things that would 'merely' be incredibly advanced feats of engineering are usually doable for you as fast as you can assemble the initial prototype, needing at most only a single test run to get dialed in perfectly. Outright pushing the boundaries of physics or otherwise trying to work with anomalies and cosmological loopholes requires actual trial-and-error research, but can still be completed within a reasonable time frame.
*As a final bonus, at the time you consume this Essence you are restored to perfect physical health and good physical fitness, as well as being made aware of any mental conditions you might have and being given the option to be cured of any or all of them as well. You receive no special Essence powers for maintaining your fitness but the abilities you have should let you easily create ultra-efficient physical training programs for yourself, find ways to enhance your physical longevity, or otherwise develop yourself as much as is scientifically possible.