Q: How do lenses that concentrate light not violate the second law of thermodynamics? Q: Can resonance be used to destroy anything? Q: Why is hitting water from a great height like hitting concrete? Q: Is it odd that the universe’s constants are all so perfectly conducive to life? Q: If a man hangs on an un-insulated wire using both his hands what will happen and why? Q: What’s the highest population growth rate that the Earth can support? What does turn someone into expression mean? I inadvertently asked for hay instead of straw one year and that slip of the tongue turned into a nightmare. 4. Q: What are the equations of electromagnetism? I mean, how could he say surely that it was 273.15 C below zero? Q: How did mathematicians calculate trig functions and numbers like pi before calculators? I was an assayer for precious metals and do not have a degree in science, chemistry or metallurgy, just a lot of experience working with assaying. Relativity and Quantum Mechanics: the elevator pitch. Q: Is 0.9999… repeating really equal to 1? Q: Why can’t we see the lunar landers from the Apollo missions with the Hubble (or any other) telescope? Q: Using modern technology, are we any closer to turning lead into gold than alchemists were hundreds of years ago? While it may never be commonplace to transmute lead into gold, it is practical to obtain gold from lead ores. Q: Are there an infinite number of prime numbers? Alchemy May Not Have Been the Pseudoscience We All Thought It Was Although scientists never could quite turn lead into gold, they did attempt some noteworthy experiments Q: If fusion in the Sun suddenly stopped, what would happen? There’s also an isotope of mercury, mercury 196, that can be turned into gold (it’s above and two to the left from gold 197).Lead, on the other hand, is in a bad position to form gold.  Using neutron bombardment you can move to the right on the chart, but if you follow the decay path from every heavy isotope of lead, they all lead back to either lead or bismuth. Wouldn’t God’s observation of the location of the photon collapse its probability wave function? Q: Is it possible to breach the center of a nebula? If we can’t get exact solutions, then how do we know when our approximate solutions are any good? Q: What is going on in a nuclear reactor, and what happens during a meltdown? Nuclear transmutation is a very difficult process. Q: Is it true that all matter is simply condensed energy? What’s uncertain in the uncertainty principle? Total energy balance is OK, look at the masses. Q: How close is Jupiter to being a star? Q: Why haven’t we been able to see the spectra of anti-hydrogen until recently? Why is it different from just ordinary rotation? Again! Q: Why does “curved space-time” cause gravity? Q: How do I find the love of my life? Can you take acid (LSD) while on prescribed medications? Physicist: Lead to gold: no. In the story, straw turns into gold. It took what seemed forever to get rid of them. Q: Is it a coincidence that a circles circumference is the derivative of its area, as well as the volume of a sphere being the antiderivative of its surface area? They obviously did not turn in their gold. Because any element (or isotope of one) is defined by its number of protons (and neutrons) in its atoms, i.e. Q: What would it be like if another planet just barely missed colliding with the Earth? Then, let it decay twice. Get your answers by asking now. (and some other friction questions). What is it used for? Q: If the universe is expanding and all the galaxies are moving away from one another, how is it possible for galaxies to collide? Q: How many people riding bicycle generators would be needed, in an 8-hour working day, to equal or surpass the energy generated by an average nuclear power plant? Sincerely, Robert. Q: Why does carbon dating detect when things were alive? Here are the details: Instead of directly placing plastic straws in the recycling bin, put them first into a larger container that is also made out of polypropylene, or type 5 plastic. Because lead is stable, forcing it to release three protons requires a vast input of energy, such that the cost of transmuting it greatly surpasses the value of the resulting gold. 2AgNO3+ BaCl2→2AgCl + Ba(NO3)2How many grams of AgCl, silver chloride, are produced from 5.0 g of AgNO3, silver nitrate? Start with some Uranium 235, then wait for several hundred million years, and you’ve got mostly lead. Q: What fair dice can be simulated by adding up other dice? Q: If hot air rises, why is it generally colder at higher elevations? Q: Since all particles display wave-like characteristics, does that imply that one could use destructive wave interference to destroy or at least drastically change a particle? The king rejoiced beyond measure at the sight, but still he had not gold enough, and he had the miller's daughter taken into a still larger room full of straw, and said, "You must spin this, too, in the course of this night, but if you succeed, you shall be my wife." When she has given up all hope, an imp-like creature appears in the room and spins the straw into gold in return for her necklace (since he only comes to people seeking a deal/trade). In theory, you could break down the copper atoms into hydrogen, and fuse them into gold. Q: Why is the area of a circle equal to πR. Q: Is it possible to fill a black hole? Q: If two trains move towards each other at certain velocities, and a fly flies between them at a certain constant speed, how much distance will the fly cover before they crash? Q: What is the state of matter in deep space? Q: Why is it that (if you exclude 2 & 3) the difference between the squares of any two prime numbers is divisible by 12? What is its relevance? I explore how to live with compassion, joy, and purpose in the midst of life’s challenges, especially chronic pain and illness. In practice, no. Q: How do velocities add? Q: Are explosions more or less powerful in space? Q: If gravity is the reaction matter has on space, in that it warps space, why do physicist’s look for a gravity particle? Q: Could the “proton torpedoes” in Star Wars be a thing? Pt 197 is unstable and will decay to Au 197 in a few hours. However, he was able to accomplish the next best thing. 1 decade ago. Q: What is Bayes’ rule and how do I use it to improve my life? Q: What is energy? Before the late 19th century, no body had ever observed one element turning into another, and until the 20th century there was no equipment on Earth that had the faintest prayer of successfully changing one element into another (on purpose). Alchemy is an ancient practice shrouded in mystery and secrecy. But doesn’t something new need to be made up for the square root of i? Q: Will black holes ever release their energy and will we be able to tell what had gone into them? turn something into phrase. Q: What if the particles in the double slit experiment were conscious? Q: Why doesn’t life and evolution violate the second law of thermodynamics? How did we first figure out it was 3.14…? Q: Would it be possible to generate power from artificial lightning? Once again I’m so enthusiastic about your post that I translated it in French on my own blog ( http://drgoulu.com/2013/03/15/comment-transformer-le-plomb-en-or/ ) Q: Is it possible to parachute to Earth from orbit? Regards, Russell Lee. Why is light so special? Q: What exactly is the vacuum catastrophe and what effects does this have upon our understanding of the universe? Why is there one-to-one correspondence between laws of conservation and symmetries? Q: Before you open the box, isn’t Schrödinger’s cat alive or dead, not alive and dead? Why is it so counter intuitive? Q: How can we prove that 2+2 always equals 4. Q: How hard would it be to keep the Moon from drifting away? Q: Is there a formula for finding primes? How do we know that someone alive today will someday be a common ancestor to everyone? Now if any man build on this foundation gold, silver, precious stones, wood, hay, stubble; gold. Q: If all matter originated from a single point, does that mean all matter is entangled? Q: How fast are we moving through space? How close are we to actually building one and going faster than light? Has anyone calculated it? Q: If the number of ancestors you have doubles with each generation going back, you quickly get to a number bigger than the population of Earth. Bombardment is how plutonium is manufactured from uranium.  Bombarding a sample with neutrons sometimes makes the atoms in question decay into higher elements, and almost always makes them more radioactive (so this is a “bombard then wait” sort of thing).  In some cases it makes them so spectacularly radioactive that they immediately fly apart, and if they also produce a spray of neutrons, then you’ve got yourself the makings of a bomb or a power plant. What is “pure energy” like? Q: Since the Earth is spinning and orbiting and whatnot, are we experiencing time wrong because of time dilation? The minerals galena (lead sulfide, PbS), cerussite (lead carbonate, PbCO 3 ), and anglesite (lead sulfate, PbSO 4 ) often contain zinc, gold, silver, and other metals. N2+ 3H2→2NH3 Q: Why do heavy objects bend space and what is it they are bending? 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