عبد الفتاح محمد هادي

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WATCH: The Science Behind Why Some Bullets Are More Destructive Than Others

Each year, more than 100,000 Americans are shot. And the wounds to bone and tissue caused by specially designed bullets also are getting more severe, according to surgeons.<p>Not all bullets are created equal. The energy of a bullet is determined by its mass and speed, and its wounding potential …

Science

Discovered: Milky Way's long-lost galactic sibling

The Milky Way once had a massive galactic sibling that was shredded and consumed by our closest neighbour, Andromeda, scientists have discovered.<p>The dramatic sequence of events, dating back 2bn years, was reconstructed through a detailed survey of stars in the faint halo surrounding the Andromeda …

Universe

A brief introduction to imaginary numbers

Just because imaginary numbers don’t exist, it doesn’t mean they are completely useless.<p>In 16th century Venice, formulae for solving equations were …

Mathematics

How many neutrons can you cram into an atom? More than physicists thought

Physicists in Japan have blasted out the heaviest calcium nuclei ever seen—each containing the 20 protons needed to make the element, but with a huge …

Sir George Everest and his Trigonometric Survey of India

Sir George Everest (1790-1866)<p>On July 4, 1790, Welsh military engineer and geodesist <b>Sir George Everest</b> was born. Everest was the Surveyor General of …

Go deeper: Finding the coldest temperature on Earth

In 2013, scientists announced that they had observed the coldest temperature on Earth near the South Pole at -135<b>°</b>F, but a new study re-analyzing …

Global Warming

What proportion of the human body is bacteria (and how do we measure it)?

Next time you try washing your hands with antibacterial soap, consider that there's at least as many bacteria in your body as human cells.<p>For …

Researcher: Beware Scientific Studies — Most Are Wrong

A few years ago, two researchers took the 50 most-used ingredients in a cookbook and studied how many had been linked with a cancer risk or benefit, …

Huawei SuperCharge crowned best of fast charging standards

A test of eight fast-charging technologies for smartphones has resulted in Huwaei’s SuperCharge system dubbed the best.<p>Indian publication <i>Hometop</i> …

اكتشافات عَظْم الفخذ تبقى سرًّا

في اجتماع العلماء المتخصصين في عِلم الإنسان في فرنسا، الذي انعقد في نهاية شهر يناير الماضي، لم تكن واحدة من أكثر الحفريات إثارة في مجال دراسة تطوُّر …

التعرّف على التسلسل الجينوميّ للفأرة "إيف"

عاش آدم، وإيف - وهما زوج من الفئران سوداء اللون - لمدة تقلّ عن عامين في مختبر جاكسون (جاكسJAX ) في بار هاربور بولاية مين الأمريكية، ولم يغادراه قط، …

خريطة لمليار نجم على وشك أن تغيِّر علم الفلك

بعد انتظار دام طويلًا، أصبح لدى علماء الفلك حول العالم فيض من المعلومات الجديدة ليستكشفوها. ففي 25 إبريل من هذا العام، نشرت بعثة "جايا" - التابعة …

علاج آلام أسفل الظهر في المنزل

إذا استيقظتم في الصباح مع الام في أسفل الظهر، فأنتم لستم وحدكم. هذه الظاهرة شائعة جدا، هل الام أسفل الظهر تتطلب زيارة الطبيب؟ ليس بالضرورة.<p>معظم …

Physical Attraction Can Be Explained by More Than Just Evolution

A recent study sparks new debate about an age-old question.<p>Scientists still haven’t figured out exactly why humans are attracted to each other. …

Evolution

New cloaking technique lets light pass right on through

The concept of an invisibility cloak sounds like pure science fiction, but hiding something from view is theoretically possible, and in some …

How nature can help you predict the weather

Delete your weather app – the best forecasters are birds, plants and animals. Here are five ways that nature can help you predict the weather.<p>Red sky …

GoFly Challenge Unveils First-Round Designs For Personal Flying Device

SUBSCRIBE TO ACCESS THIS ARTICLE<p>"GoFly Challenge Unveils First-Round Designs For Personal Flying Device" is part of <b>Aviation Week & Space Technology</b>’s …

How Ada Lovelace's notes on the Analytical Engine created the first computer program

She may be one of the most famous women in science history, but what is it that Augusta Ada King, Countess of Lovelace achieved to gain such eminence?<p>…

How to Convert Your Wall into a Giant Touch Screen

The right paint can add pizazz to your walls—and now it can also make them smarter. Researchers recently converted a wall into an outsize trackpad …

H2Oh! 10 mysteries of water

No liquid behaves quite as oddly as water. It exhibits a raft of unusual behaviours, many of which are essential for life as we know it. In our cover …

H2Oh! Water is actually two liquids disguised as one

“WATER is very strange,” says Anders Nilsson. He should know: he has been studying the stuff for most of his working life. His claim may be hard for …

Is fire a solid, liquid or gas?

Most flames are made of hot gas, but some burn so hot they become plasma.<p>The nature of a flame depends on what is being burnt. A candle flame will …

Unique neuronal firing patterns in our "second brain" observed for the first time

Using a newly developed imaging technique, a team of researchers in Australia has directly observed a unique neural motor firing pattern outside of …

Antibiotics Recommended for Infected Wounds

An infection is the growth of a parasitic organism, also called a germ, within the body. The onset of an infection is sudden, causing pain and …

Why Exercising Your Legs Could Result In A Healthier Brain

The connection between physical activity and brain health is getting stronger, but we’re still trying to understand all of the reasons why. A new study approached the question with a bit of a twist – by investigating what happens in the brain when leg movement is restricted.<p>We already know that …

The Brain

Electrons travel faster than light in glass

doi:10.1038/nindia.2018.58 Published online 6 May 2018<p>Using ultrashort laser pulses, physicists have been able to generate hot electrons that travel …

Telescope Aimed at Black Hole Gives Taste of Incredible Results to Come

You might remember that about a year ago, astrophysicists <i>turned the whole Earth into a telescope</i> to try and get a picture of a black hole<i>.</i> That image …

The Milky Way galaxy may be much bigger than we thought

New research suggests our galactic home spans a distance of 200,000 light-years.<p>It's no secret that the Milky Way is big, but new research shows that it may be much bigger than we ever imagined.<p>The research, described May 7 in the journal "Astronomy & Astrophysics," indicates that our spiral …

Milky Way Galaxy

Massive Ice Highways Found Hiding Under Antarctica

Scientists have found huge valleys linking the smaller West Antarctic Ice Sheet to the massive East Antarctic Ice Sheet, hidden deep under the …

Using the K computer, scientists predict exotic "di-Omega" particle

Based on complex simulations of quantum chromodynamics performed using the K computer, one of the most powerful computers in the world, the HAL QCD …