01 January 1970 2 1K Report

Let's imagine that you need to safely lower a spherical metal asteroid with a diameter of about ten meters to the surface of the Earth. What methods of braking objects of this size would be appropriate?

More Mark Goncharov's questions See All
Differences between sheep blood with Alsever solution vs citrated/defibrinated sheep blood in microbiological media?

I am aware of a study that has compared the use of citrated and defibrinated sheep's blood in microbiological media (Hair Sheep Blood, Citrated or Defibrinated, Fulfills All Req... ), but can...

10 February 2021 5,927 1 View

Infinite order of Laguerre?

If Lmn(x) is the Laguerre polynomial of order m and degree n Is there a means of computing Lmn(x) for 1) m goes to infinity 2) n goes to infinity

08 February 2021 6,320 4 View

Sharpening algorithm for similar images with different levels of blurring?

Say for arguments sake I have two or more images with different degrees of blurring. Is there an algorithm that can (faithfully) reconstruct the underlying image based in the blurred...

17 January 2021 7,324 3 View

How to make a pushover Analysis of a reinforced cantilever beam in ABAQUS?

Hello everyone, Im doing a pushover Analysis of a cantilever beam in ABAQUS, made of reinforced concrete, but my model doesnt seem to converge proberly. The program simply aborts before hitting a...

15 January 2021 1,627 3 View

How to illustrate FE Panel Regression with LSDV in a research framework?

First time to use FE Panel Data Regression using LSDV, and not familiar with how to illustrate it in a research framework. We have regional CSR score as IV and Social Development ( four areas:...

14 January 2021 580 3 View

Domestic ancient Egyptian gods and goddesses?

Who are the gods that ancient Egyptians thought of as closer to them and could have a personal connection with them?

25 December 2020 5,505 1 View

Could someone help me recheck my identification of my moth samples?

Greetings to all! I am humbly asking for some help, in regards to the checking of my moth samples. Though it is of great inconvenience to you all, I will respect your decision nevertheless....

08 December 2020 6,009 5 View

Is there a relationship that can be used to relate flow rate (m3/s) to MPa in fluid injection rate?

I am doing simulation exercise of which I have to inject fluid pressure into a borehole. The parameters I am using the injection rate is given in pressure (MPa) and the software accept injection...

01 December 2020 3,221 2 View

What is the current and voltage profile for a short dipole antenna when the monopoles have different lengths?

The textbooks show a triangular pattern for the current as the limiting case for a short dipole, and how this may be considered to be the limiting case for the sinusoidal current distribution....

26 November 2020 5,280 5 View

Best way to teach Data Structures and Algorithms?

Next semester I am teaching an online class on Data Structures and Algorithms. The students will have had two programming classes in C++ and Java each. I am looking for a way to engage the...

11 November 2020 1,176 4 View

Similar questions and discussions
How to calculate average trend in maximum annual NDVI from MODIS?

I am wanting to calculate the average trend in maximum annual NDVI in Iceland from 2010-2020 using MODIS MYD13Q1 V6. How would I do this? I have currently inserted the NDVI bands from the MODIS...

02 March 2021 752 2 View

Where can I find atmospheric measurement profiles (temperature, density, etc.) between 300-800 km altitude?

I am investigating thermospheric mass density profiles between 300-800 km altitude. I would like to compare the variability with other parameters, including temperature, electron content,...

01 March 2021 5,902 3 View

Does anyone know of a predictable relationship beween surface gravity and atmospheric composition?

The attached file demonstrates that there is a predictable relationship between the structural density of a terrestrial body and its none-rotating surface gravity. Using Newton's gravity law of...

26 February 2021 2,317 3 View

Trouble with Charting with Google Earth Engine (Technical)?

Hello. I have a problem with the charting in google earth engine. I created an image collection by combining 5 image collections of five parameters and using ee.Join.inner ( ) and .apply ( )...

26 February 2021 7,084 2 View

Could the "incoming radiation (net radiation)" values be negative?

Could the "incoming solar radiation" values be negative? What is the difference between "global solar radiation" and "incoming solar radiation"? Which one might be measured negative values?

21 February 2021 7,726 9 View

Is the box plot of climatic indices better illustrate from daily data or annual data?

Hello, I hope you have a good time. I work on a research project about temperature indices. Due to the high number of indices, I only work on tables and maps on an annual time scale. In other...

19 February 2021 9,742 2 View

Historical wind data/map?

Hello All, I am looking for the historical wind data/map (mainly the year 2020-2021). I would like to look at the wind value and direction for the specifics locations within the US for the...

18 February 2021 9,543 4 View

Do we have any empirical model to model the combined effect of carbonation and chloride attack in concrete concerning climate change?

Do we have any empirical model to model the combined effect of carbonation and chloride attack in concrete concerning time-dependent temperature, relative humidity and concentration of carbon dioxide?

08 February 2021 4,277 1 View

How to prepare OH- terminated Si Wafer?

Hi, Folks. I am working on the ALD project to deposit Al2O3 on the Si wafer from TMA and Water. I have struggled with the preparation of OH- terminated Si wafer. I have both Si(1 0 0) and...

08 February 2021 8,792 2 View

How to compute the distance in km between two points inside the Earth?

Hello everyone. I am looking for a simple formula to compute the distance in Km between two points inside the Earth. I do not mean the usual problem between to cities (distance along the surface)...

02 February 2021 3,455 4 View

Our partners will collect data and use cookies for ad personalization and measurement. Learn how we and our ad partner Google, collect and use data. Agree & close