How can we detect polyethylene from a distance?
The method should be mobile as I am thinking of employing it a mobile robot.
I have no idea about it.
Any suggestion or external link would be welcomed.
In this rather shaky Facebook video (sorry I can't provide a better link), a science teacher takes a burning beaker of something and spills it out onto the floor. It then proceeds to shoot fire out in all directions, and we can see embers burning themselves out, leaving black ash of some sort.
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I was reading about how the Planck's Constant can be measured with LEDs, which made me think about this question.
The Heisenberg Uncertainty Principle states that:
$$\Delta x \Delta p \ge {\hbar\over2}$$
a.k.a, there is always some uncertainty while measuring things.
This is a fundamental law. N...
Yes, and that's in fact what "immortal" mostly has meant.
The etymology of the word "immortal" reveals
late 14c., "deathless," from Latin immortalis "deathless, undying" (of gods), "imperishable, endless" (of fame, love, work, etc.), from assimilated form of in- "not, opposite of" ( . . . ) ...
Transcript for
The Periodic Table
