Recent content by Anand Sivaram

I came across the following problem and wondering how to solve it. There is a plane n1x + n2y + n3z + n4 = 0 where n1, n2, n3, n4 are known. The triangle is in this plane. We already know the two vertices P1(x1, y1, z1), P2(x2, y2, z2) of the triangle. Now we have to find the third vertex P(x...

This question I have been thinking for some time. 1. For an Aircraft we have 4 types of motion. Yaw, Pitch, Roll and Forward Velocity. 2. For a Locomotive, we can say there are only Forward Velocity. No other axis of motion. 3. For a Car, we have the Forward Velocity and Yaw motion (steering...

You can compress the gas typically in two processes - adiabatic compression or isothermal compression. Boyle's law speak only about isothermal compression. For Adiabatic process the equation is PV^(gamma) = Constant. For example, you compress air at 1 bar and 300K temperature to a volume of...

Thanks for pointing out @DrClaude . I could sense that you divided 1366/2 and then found the Temperature. Since only one side is in direct contact with the sunlight, I assume the other side would radiate energy back to the space. Then the equilibrium temperature would be 331K..Is that correct?

The temperature at the surface of the Sun is 5777K, that corresponds to a flux of 63 MW/m2. Solar flux reaching the top of our atmosphere is 1366 W/m2. That corresponds to a temperature of 393K (120C). Now considering our Earth as a sphere, the average insolation on top of our atmosphere...

http://www.exactaudiocopy.de/ is the best extractor available and it is Windows only. You could use cdparanoia on Linux. It is important because Audio CD format does not have any error correction codes unlike other data storage mechanism. You could use LAME encoder to encode raw PCM to MP3...

My suggestion is to consider a point and shoot camera with inbuilt WiFi as it would be much easy to take the photos to a mobile phone without the need for a computer, card reader or a USB cable. Also, you could use the mobile phone as a remote control equivalent.

There have been many prior works and attempts in this regard. Please do take a look at technologies like RONJA, LiFi etc. https://en.wikipedia.org/wiki/RONJA https://en.wikipedia.org/wiki/Li-Fi https://en.wikipedia.org/wiki/Free-space_optical_communication The useful range of free-space...

Thank you @davenn and @sophiecentaur. I was under an impression that the Astronauts could see any star or planet from the ISS during their day time. I just found this interesting link. https://astrobob.areavoices.com/2016/05/18/can-astronauts-see-stars-from-the-space-station-the-moon/

I think the OP is getting confused with the speed at which an object is falling vs the force. Looking at the gravitational force equation F = GMm/r2 Here G is the Gravitational Constant, M is the mass of the bigger object (say our Earth), r is the distance (for example the radius of the Earth)...

We can not see planets or stars during the day time because of the scattering of the sunlight. But, in space, all planets and stars would be visible. Consider the situation that a rocket is going to space during the day time. At what altitude these stars or planets would become visible? On...

I did not get how you have 2 summers/winters each year on the equator. On each day except both solstice, there would be 12 hours day/night on the equator. On the day of solstice, the Sun would be rotating around you through the horizon.

For practical purpose Uranus is like that. It takes 84 years for Uranus to complete one rotation around the Sun, where as its axis has a near parallel tilt for 97.77 degress with its ecliptic. So, the effect is 42 years summer and 42 years winter on most of the places. So, extending that to...

We use around 70 Million Tonnes of Hydrogen per year, not as an energy storage, but for NH3, fertilizer and petrochemical processing. Out of which 1-2% hydrogen is from ChlorAlkali process (to produce NaOH and Cl2, byproduct is H2). All remaining Hydrogen is from Steam Methane Reformation, SMR...

Any object with a temperature emits corresponding EM waves. Thermal imaging works by considering our temperature of 37C/98.4F/310K, and it corresponds to 9.3um LWIR as per Wien's law. I was thinking about the following summer scenarios in which how it would work. 1) If...