Krishan Kumar

544 Added | 6 Magazines | 20 Likes | 1 Following | 4 Followers | @thekrishankumar | I like reading about technology and stuff

Here's What Happens When You Run An Engine Without Oil

Don't try this in your car.<p>We all know why your engine needs oil and how important it is to change the oil in your car, but what happens when there's no oil in it at all? An internal combustion engine <i>will</i> run without oil for a little while, but then it'll quickly destroy itself, often in …

Internal Combustion Engine

How liars create the ‘illusion of truth’

Repetition makes a fact seem more true, regardless of whether it is or not. Understanding this effect can help you avoid falling for propaganda, says psychologist Tom Stafford.<p>“Repeat a lie often enough and it becomes the truth”, is a law of propaganda often attributed to the Nazi Joseph Goebbels. …

Psychology

How to Open a Coffee Shop: The Complete Guide

<i>By Sara Brown, Bond Street</i><p>How can a passionate affinity for coffee and a stirring desire to create something of your own manifest into a successful …

Small Business

Is humanity doomed? Looking ahead, hopefully, with astrobiologist David Grinspoon

Nationally-renowned scientist, author and sometime-Colorado resident David Grinspoon — now senior scientist at the Planetary Science Institute in …

USB-C's new audio spec could get rid of your headphone jack

Like it or not, the effort to get rid of the headphone jack is well underway. The USB Implementers Forum has published its long-expected Audio Device Class 3.0 specification, giving device makers the standard they need to pipe sound through USB-C ports on everything from phones to PCs. And the …

The Michelle Obama Speaking Technique You Can't Afford to Ignore

Go for the heart. Why? People make decisions for emotional reasons, and then justify them with rational ones.<p>There's a scientific reason why you couldn't stop listening to or considering what Michelle Obama was saying when she spoke at this week's Democratic National Convention.<p>If you want to be an …

Michelle Obama

This new science podcast is nerd bait (and we love it)

There’s a delicious moment in the first episode of the newly launched podcast, Science Vs, when host Wendy Zukerman gets representatives of Seneca …

The Double-Slit Experiment That Blew Open Quantum Mechanics

Is light a wave or a particle? Yes.<p>The physics equations you learned in school don't work on the atomic scale. We have Newtonian physics to explain the world we can see and feel, and we have Einsteinian physics to explain the behavior of matter and light in the universe, but we observe a bunch of …

Quantum Mechanics

Why Teleology Isn't Dead

Mention teleology in scientific circles and you’ll usually get a skeptical response. Purpose in the way the world is evolving? Patterns certainly—but purpose? No.<p>Science has gotten along famously over the past few centuries without the need to worry about whether or what a particular process in …

Consciousness

If you think your brain is more than a computer, you must accept this fringe idea in physics

One of the most intriguing speculative arguments in physics and computer science isn't really about physics or computer science at all. It's about the brain — or more precisely, about consciousness — and it's been going on for decades. Its central question: Is the brain fundamentally like a …

Quantum Mechanics

Want to Finally Understand Physics? Read This Book

Physics is hard. It’s one of those subjects you studied for a bit in a required high school class, then left behind in college for something you …

Five Awesome Science Courses You Can Take Online Completely Free

Science often gets a bad rap for being inaccessible. But it’s actually never been easier to satisfy your curiosity on subjects ranging from computer …

Amazing

The empty brain

Your brain does not process information, retrieve knowledge or store memories. In short: your brain is not a computer<i>By Robert Epstein</i>Read at Aeon

Singularity

The Big Bang Is a Scientific Mystery, and Black Holes Are Devouring the Clues

<b>Christophe Galfard:</b> The interesting thing about trying to unravel the laws of nature is that yes, we have found some laws. We understand gravity to …

Physics

Solar And Wind Energy May Be Nice, But How Can We Store It?

Renewable energy like solar and wind is booming across the country as the costs of production have come down. But the sun doesn't always shine, and the wind doesn't blow when we need it to.<p>This challenge has sparked a technology race to store energy — one that goes beyond your typical battery.<p><b>Heat</b> …

Clean Energy

Does Pseudoscience Lead to Breakthroughs? It Did for Isaac Newton

Newton’s fascination with alchemy didn’t turn lead into gold, but it did lead to revelations about visible light.<p>When a few bad scientists have …

Pseudo-science

How Physicists Image Individual Atoms

The latest from 100 Second Science.<p>Until 1981, the atom was a sort of imaginary entity. We knew it was there, of course, and we could even measure and observe it via a number of different techniques—including field ion microscopy—but we couldn't just go and look at an atom in the same way that we …

Physics

22 Science Jokes Only Smart People Will Understand

Old statisticians never die. They just get broken down by age and sex.

Science Is a Good Substitute for God

Religious believers tend to be happier than non-religious folk, according to a long line of psychological research. Scientists have suggested several …

Social Sciences

Most species that disappear today will leave no trace in the fossil record

Millions of years from now, paleontologists may dig into Earth and uncover fossils from our own time. They may, like scientists today, construct a …

Why Do We Love Paris but Hate Frankfurt? A Swiss Author’s Six Qualities of Beautiful Cities.

In “How to Make an Attractive City,” a new video from the School of Life, London-based Swiss writer Alain de Botton offers a cheeky, …

The 7 most insane pieces of classical music ever written

17 August 2016, 14:29<p>This is classical music at its most crazy. Includes helicopters, a piece which is due to end in the year 2640 and a duet with …

Piano

Maybe We Really Are Alone In the Universe

You may as well get a lot friendlier with life on Earth—every microbe and mammal, every bird and bug, and especially every human being. Because when …

Neil deGrasse Tyson Was Wrong About Science, How Do We Go On?

The <i>Star Talk</i> host is obviously more versed on the astral dance of the cosmos than the primal earthbound dance of lurve.<p>He tweeted this on Friday and …

The Shocking Consequences of the World's Meat Addiction

More than 9 billion animals are slaughtered in the U.S. every year for meat with global demand skyrocketing. Animal agriculture is putting an …

Why are so many smart people such idiots about philosophy?

There’s no doubt that Bill Nye “the Science Guy” is extremely intelligent. But it seems that, when it comes to philosophy, he’s completely in the dark. The beloved American science educator and TV personality posted a video last week where he responded to a question from a philosophy undergradabout …

Bill Nye

A sigh's not just a sigh - it's a fundamental life-sustaining reflex

Research reveals that sighing is more than a sign of depression or despair: it’s a reflex that happens several times an hour and helps preserve lung function<p>Californian scientists have identified the source of the sigh. It is not just a response to sadness, depression or despair: it is, also, they …

People With Anxiety Perceive The World In A Fundamentally Different Way

Can't argue with science: A person isn't responsible for having a mental illness.<p>People who still believe the outdated notion that mental health conditions are "all in a person's head" have yet another reason to stop believing the myth: According to a new study in the journal Current Biology, those …

A Friendly Open Letter to Bill Nye (about Philosophy)

Dear Bill Nye<p>Recently, in a “Big Think” segment, you were asked your opinion of philosophy. As you might recall, your response was less than …

Why reporting on health and science is a good way to lose friends and alienate people

I was recently invited by Yale Law School's Global Health Justice Program to talk about medicine and the media.I wanted to share the text here.<p>My focus was on why being a health journalist is an especially effective way to lose friends and alienate people. (It's really an excuse to talk about some …