physics

How fast is the universe expanding? New data keeps mystery open

A big open problem in cosmology is the Hubble tension. There are two equally valid ways to measure h...

science | 6 months ago

The mind-bending maths that could stop ‘quantum hackers’

Imagine the tap of a card that bought you a cup of coffee this morning also let a hacker halfway acr...

science | 5 months ago

Particles called quarks hold the key to the final fate of some stars

We know that all matter is composed of atoms, and atoms are made of protons and neutrons inside the ...

science | 5 months ago

What is nucleosynthesis?

Stellar nucleosynthesis is the process by which stars forge elements inside their cores. The only el...

science | 4 months ago

Copper becomes unexpectedly hard under extreme strain rate

The discovery of steel transformed the course of human civilisation. The stone age ended with the in...

science | 4 months ago

New light-based tool could cut cost of spotting viral infections

Viruses infect plants, animals, and humans. A virus’ spread from animals to humans could unleash pan...

science | 4 months ago

New low-cost MRI machine can improve access to diagnostics in India

Scientists have designed a magnetic resonance imaging (MRI) scanner that costs a fraction of existin...

science | 4 months ago

What is heat? How does it animate engines and global warming? | Explained

Heat is animus. It was there at the birth of the universe, and its death will be the universe’s deat...

science | 4 months ago

2025 to be International Year of Quantum Science and Tech, UN says

The United Nations has said 2025 will be designated the ‘International Year of Quantum Science and T...

science | 4 months ago

New portable atomic clock offers very accurate timekeeping at sea

Atomic clocks are the backbone of the Global Positioning System (GPS), the network of satellites abo...

science | 4 months ago

Indirect evidence builds, yet the ‘dark’ universe remains murky

The general theory of relativity has been very successful at explaining gravity and an astonishing a...

science | 3 months ago

What is an electromagnet?

Invented in 1824 by the British physicist William Sturgeon, electromagnets are a fixture of modern l...

science | 3 months ago

‘Universal’ equation predicts how often bird, bat, insect wings beat

Almost all animals that fly through the air and many that swim through water have evolved to flap th...

science | 3 months ago

How diapers use quantum physics to attend to nature’s call | Explained

Still wondering what you should gift your friends who have just turned parents? Think no more and bu...

science | 3 months ago

Nuclear study provides major update on plutonium isotope fission

On March 4 this year, India stepped on the threshold of the second stage of its nuclear power progra...

science | 3 months ago

What is perpetual motion?

Nothing lasts forever. This is good life advice, and it also happens to be an important feature of o...

science | 3 months ago