9to5Science - Get Answers to Scientist's Questions & Ask an Expert

Logarithm and Uniqueness

September 25th, 2020

real-analysis

Dot product of any point on plane and its normal

August 13th, 2020

vector-spaces 3d

Does potential difference or electric field change with distance between parallel plates?

June 1st, 2022

electricity

Prove that there are infinitely many natural numbers that can't be written as $a^2+p$

June 1st, 2022

elementary-number-theory

The rate of convergence for polynomial interpolation of different functions

June 19th, 2022

numerical-methods interpolation chebyshev-polynomials

Does a negative number really exist?

June 25th, 2022

soft-question philosophy

Does the stretching of a spring depend on its rest length?

June 25th, 2022

homework-and-exercises spring

Simplifying a Product of Summations

June 1st, 2022

summation products

Entering a black hole, jumping into another universe---with questions

October 8th, 2020

general-relativity black-holes universe wormholes white-holes

Bad postdoctoral advisor, help needed

May 23rd, 2020

postdocs

What is the most common photon wavelength in our observable universe (not including the Sun)?

June 16th, 2022

visible-light photons frequency wavelength observable-universe

Why are closed balls in the $p$-adic topology compact?

August 19th, 2020

general-topology analysis p-adic-number-theory

Condition number of a diagonal matrix

December 15th, 2020

linear-algebra matrices normed-spaces condition-number

How to control the dimensions of \colorbox

June 15th, 2022

colorbox

Prove that $\mathbb{N}$ has no limit points

March 6th, 2020

calculus proof-writing proof-explanation

Does string theory have a notion of vacuum?

June 1st, 2022

string-theory vacuum

Raoult's Law explained with thermodynamics/ free energy

June 26th, 2022

gas-laws entropy

Why two vectors cannot span ${\bf R}^3$?

June 1st, 2022

linear-algebra vector-spaces

Should I send follow-up email one week after post-doc interview if interviewer said they will make decision in "week or two"?

June 10th, 2022

postdocs interview

Mathematical writing: why should we not use the phrase "we have that"?

June 23rd, 2022

soft-question article-writing

Quantization of kinetic and potential energy of electron in H atom

June 15th, 2022

quantum-mechanics hydrogen quantization

Order of elements modulo p

June 1st, 2022

number-theory elementary-number-theory

Largest PhD programs in mathematics

March 9th, 2020

graduate-school mathematics

Polynomial Long Division

October 18th, 2020

integration

When is infinite sum bounded by an integral?

June 1st, 2022

inequality integration summation

If every subset in a topological space is closed, prove it is a discrete space

June 1st, 2022

general-topology

How long did the Pevensies rule in Narnia?

June 26th, 2022

c-s-lewis the-chronicles-of-narnia

Must an infinite intersection of infinite sets be infinite?

June 1st, 2022

elementary-set-theory infinity

Why do green lasers appear brighter and stronger than red and blue lasers?

June 16th, 2022

optics visible-light laser vision

Monotonicity in alternating Series

June 1st, 2022

sequences-and-series

Unlock your
future.

Logarithm and Uniqueness

Dot product of any point on plane and its normal

Does potential difference or electric field change with distance between parallel plates?

Prove that there are infinitely many natural numbers that can't be written as $a^2+p$

The rate of convergence for polynomial interpolation of different functions

Does a negative number really exist?

Does the stretching of a spring depend on its rest length?

Simplifying a Product of Summations

Entering a black hole, jumping into another universe---with questions

Bad postdoctoral advisor, help needed

What is the most common photon wavelength in our observable universe (not including the Sun)?

Why are closed balls in the $p$-adic topology compact?

Condition number of a diagonal matrix

How to control the dimensions of \colorbox

Prove that $\mathbb{N}$ has no limit points

Does string theory have a notion of vacuum?

Raoult's Law explained with thermodynamics/ free energy

Why two vectors cannot span ${\bf R}^3$?

Should I send follow-up email one week after post-doc interview if interviewer said they will make decision in "week or two"?

Mathematical writing: why should we not use the phrase "we have that"?

Quantization of kinetic and potential energy of electron in H atom

Order of elements modulo p

Largest PhD programs in mathematics

Polynomial Long Division

When is infinite sum bounded by an integral?

If every subset in a topological space is closed, prove it is a discrete space

How long did the Pevensies rule in Narnia?

Must an infinite intersection of infinite sets be infinite?

Why do green lasers appear brighter and stronger than red and blue lasers?

Monotonicity in alternating Series

Recents

Popular Tags

Unlock your future.|

Recents

Popular Tags

Unlock your
future.