CBSE class 12 physics answer key 2026: Check answers by experts & download question paper PDF

CBSE 12th Physics Answer Key 2026: On February 20, 2026, the Central Board of Secondary Education (CBSE) successfully ...

WBCHSE Class12 Physics Question Paper 2026 with Answer Key: Download PDF

The West Bengal Higher Secondary (HS) Physics Exam 2026 was successfully conducted on 17 February 2026 by the West Bengal ...

The Holy Grail for Light Speed Travel Is Unlimited ‘Vacuum Energy’—And Scientists Desperately Want to Harness It

Casimir cavities are mysterious spaces between microscopic metal plates in a vacuum. Areas of diminished energy between the ...

How fast is the universe expanding? Supernova could provide the answer

That the universe is expanding has been known for almost a hundred years now, but how fast? The exact rate of that expansion ...

Physicists recreated the first millisecond after the Big Bang — and found it was surprisingly soupy

Scientists saw a quark plowing through primordial plasma for the first time, offering a rare look at the first moments after ...
New Scientist

We’ve glimpsed before the big bang and it’s not what we expected

The big bang wasn’t the start of everything, but it has been impossible to see what came before. Now a new kind of cosmology is lifting the veil on the beginning of time ...