AskScience AMA Series: I am Tracee Gilbert, a systems engineer who started a company that provides engineering and management services to the Office of the Secretary of Defense. Ask Me Anything! |
- AskScience AMA Series: I am Tracee Gilbert, a systems engineer who started a company that provides engineering and management services to the Office of the Secretary of Defense. Ask Me Anything!
- If liquid water is the densest at 4°C, is the water always at 4°C at the bottom of the ocean?
- What is the smallest nuclear explosion possible?
- [Trigonometry] How does one find the point where tan theta = x?
- If a spaceship uses a planet's gravity to gain speed flying in why don't they lose the same amount flying out?
- Which type of light do solar panels run on? Thus can you run a solar calculator from room lights or does it need to be from the sun?
- How do we observe things that are smaller than the wavelength of light?
- What makes a corner a corner? Is it possible to have a shape with only 2 corners?
- How can a country have a trade deficit every year without running out money?
- What's the deal with these possibly Lorentz-violating neutrinos?
- What is the difference between someone who can hold their breath for 6+ minutes, and someone who can barely hold theirs for 1?
- How can the atmosphere of planets create false positives for life?
- If magnetic fields are produced by moving electric charges, does that mean there are charged particles moving around in a magnet?
- What happens to an object's temperature when in a vacuum? Would it retain it's heat indefinitely?
- Why does a sound wave get louder when it goes through a Single Slit experiment?
- What sort of reaction would occur if you were to mix anti-hydrogen with anti-oxygen?
- Does the atom nucleus or the shell rotate?
- If heat rises, wouldn't turning on a ceiling fan raise the ambient temperature underneath?
- Do I have more or less boobs than a cow?
- Why do nuclear bombs produce mushroom clouds wile more conventional bombs do not?
- Can bugs get fat?
| Posted: 10 Mar 2017 05:00 AM PST Dr. Tracee Walker Gilbert is a passionate entrepreneur and systems engineering executive. Dr. Gilbert owns and operates System Innovation, LLC, which provides systems engineering and program management services to various clients in the Office of the Secretary of Defense (OSD). She has over 17 years of experience leading large-scale initiatives and driving strategy for systems engineering research and engineering programs across various domains including: defense, homeland security, medical and public health, commerce/census, and the education sector. Her experience includes: developing systems from concept through deployment; providing oversight to engineering programs and research; developing the future state of systems engineering practice; and providing STEM education and workforce outreach. She has a personal commitment to excellence, integrity, and motivating women and minorities to succeed in Science, Technology, Engineering, and Math (STEM) fields. She earned both her Ph.D. (Industrial and Systems Engineering) and M.S. degrees from Virginia Tech. She also holds a B.A. degree in Physics (minors: Japanese and Math) from Lincoln University. Our guest will be joining us at 2:00 ET (19 UT). Ask her anything! [link] [comments]  |
| If liquid water is the densest at 4°C, is the water always at 4°C at the bottom of the ocean? Posted: 09 Mar 2017 11:18 AM PST |
| What is the smallest nuclear explosion possible? Posted: 10 Mar 2017 06:48 AM PST What is the smallest nuclear explosion that can be made? This is assuming that you use the minimum amount of fissile material required to produce the explosion. I know that there has been nuclear artillery and small form-factor "suitcase nukes" produced in the past but what I am really curious about is the effects of the absolute smallest (not form factor wise) explosion that could be produced. I realize this is probably different depending on which fissile material is used to produce the explosion. I am more interested in the actual explosive properties than the radiological effects of the device. If you made a bomb designed to produce the smallest nuclear explosion that the laws of physics deem viable how much explosive power would it yield? Could you make a nuclear device small enough to level only a ten foot diameter for example? Or would the smallest feasible nuclear explosion be bigger than that? [link] [comments]  |
| [Trigonometry] How does one find the point where tan theta = x? Posted: 10 Mar 2017 03:35 AM PST I'm taking Pre-Calculus, and tho this isn't something that I need to know for the course, I DO love playing around with functions and graphs to look for patterns. The tan function returns the quotient of y/x for all (x,y) co-ordinate pairs that describe a circle of unit radius—got it. In this case, the absolute value returned by the function is always larger than the absolute value of y (or equal when y = 0). I'd like to find the point where the value returned is equal to x. Is this something covered in calculus, or am I missing something really obvious? [link] [comments]  |
| Posted: 09 Mar 2017 01:45 PM PST It's always puzzled me how a spaceship could use a planet's gravity to slingshot or gain speed but wouldn't the same gravity cancel out on the other side [link] [comments]  |
| Posted: 10 Mar 2017 02:25 AM PST |
| How do we observe things that are smaller than the wavelength of light? Posted: 10 Mar 2017 06:09 AM PST I recently read that molecules fit this description, even really big ones. Not to mention atoms and sub-atomic particles. I've tried searching and must not be doing it right. [link] [comments]  |
| What makes a corner a corner? Is it possible to have a shape with only 2 corners? Posted: 09 Mar 2017 04:06 PM PST Hi Mathematics! I've been long dwelling on the question as to what makes/how is a corner/angle defined? To be specific, take a circle. Does it have any corners? If not, what about if I cut it in half? A straight edge appears, with 2 ends that then become a half circle. Are those end corners, and if so do they have an angle? Is there a third corner in my half circle, or none? If neither and it is a 2 corner shape, is it possible to make a shape with 1 corner? I know this is a lot of questions at once, but there is just so much I don't understand without a proper definition of a corner. I found this: http://www.mathopenref.com/vertex.html which isn't an exact definition, and only raises more questions. Can you please help me understand them? [link] [comments]  |
| How can a country have a trade deficit every year without running out money? Posted: 09 Mar 2017 10:30 PM PST I'm specifically talking about the US. What is being depleted each year, if any? [link] [comments]  |
| What's the deal with these possibly Lorentz-violating neutrinos? Posted: 09 Mar 2017 04:31 PM PST I mean, assuming they exist and aren't an error in the measurements. What are the implications, and potential applications? Could they one day be harnessed to create some type of FTL drive and/or communication? Energy source? Quantum supercomputers? [link] [comments]  |
| Posted: 09 Mar 2017 11:12 PM PST |
| How can the atmosphere of planets create false positives for life? Posted: 09 Mar 2017 12:42 PM PST I saw it mentioned in twitter, and was wondering how that worked. http://i.imgur.com/YCYawvC.jpg [link] [comments]  |
| Posted: 09 Mar 2017 02:51 PM PST |
| What happens to an object's temperature when in a vacuum? Would it retain it's heat indefinitely? Posted: 09 Mar 2017 04:22 PM PST I understand that energy cannot be created or destroyed, it merely changes form. If there is no other medium to transfer this heat to, then would it never cool down? If it were to cool down, then where would that energy go? [link] [comments]  |
| Why does a sound wave get louder when it goes through a Single Slit experiment? Posted: 09 Mar 2017 08:33 PM PST I'm doing a project, and my professor says that a tuning fork, when struck and put near the hole or a single slit, the sound will get louder. It does, from what I can hear, but why is it? Is it due to diffraction and constructive interference? [link] [comments]  |
| What sort of reaction would occur if you were to mix anti-hydrogen with anti-oxygen? Posted: 09 Mar 2017 10:19 PM PST Rather than make anti-water would you make fire or something? I heard my Chemistry teacher (I'm doing level 2 currently) talk about anti-hydrogen but didn't explain further about any of it mechanics and what not, so I figured if there's anti-hydrogen why not anti-oxygen? and what would happen if you mixed the two. [link] [comments]  |
| Does the atom nucleus or the shell rotate? Posted: 09 Mar 2017 11:11 AM PST Hello, I always thought the atom shell rotated but how is the shell supposed to rotate when it has electron binds? Is it still the shell that rotates then or is it the nucleus? (Not sure whether this is a physics of chemistry question) [link] [comments]  |
| If heat rises, wouldn't turning on a ceiling fan raise the ambient temperature underneath? Posted: 09 Mar 2017 09:40 PM PST |
| Do I have more or less boobs than a cow? Posted: 09 Mar 2017 05:49 PM PST Do I, as a human female, have more breasts or less? Like is a cow's udder one big milk sack with tons of nipples? Or is it multiple milk sacks with corresponding nipples inside of a giant cow boob? This is really important. This could be life or death. [link] [comments]  |
| Why do nuclear bombs produce mushroom clouds wile more conventional bombs do not? Posted: 09 Mar 2017 09:19 PM PST |
| Posted: 09 Mar 2017 08:17 PM PST They have exoskeletons that are fairly ridged, so how do they deal with excess calories from food? [link] [comments]  |
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