More Than 1,000 Qubits

One of IBM’s latest quantum processor has improved the reliability of its qubits. Credit: Ryan Lavine for IBM



IBM has unveiled the first quantum computer with more than 1,000 qubits — the equivalent of the digital bits in an ordinary computer. But the company says it will now shift gears and focus on making its machines more error-resistant rather than larger.

For years, IBM has been following a quantum-computing road map that roughly doubled the number of qubits every year. The chip unveiled on 4 December, called Condor, has 1,121 superconducting qubits arranged in a honeycomb pattern. It follows on from its other record-setting, bird-named machines, including a 127-qubit chip in 2021 and a 433-qubit one last year.

Quantum computers promise to perform certain computations that are beyond the reach of classical computers. They will do so by exploiting uniquely quantum phenomena such as entanglement and superposition, which allow multiple qubits to exist in multiple collective states at once.  READ MORE...

Toad Breaks Silence

Ecuadoran biologist Jorge Brito was trekking through the forest when he heard what he thought was the chirp of a cricket.

What he found changed a century of scientific belief.

"At first I thought it was some sort of cricket out there vocalizing, but then I paid attention," said Brito, from Ecuador's national biodiversity institute.

It was, in fact, a type of brown toad with rough skin called Rhinella festae that has a prominent nose and had been considered mute since it was first discovered 100 year ago.

"While it did not inflate its vocal sack, you could see a small flicker" on its chin, said Brito.

He caught it and took it to a laboratory to study with his colleague Diego Batallas.

"The first time I heard it, I said: Wow, that's not the sound of a toad, it's like a little bird," Batalla told AFP.

The toad, which measures between 45 and 68 millimeters in length, lives in the mountainous Ecuadoran regions of Cutucu and Condor, extending over the border into the Amazonian region of Peru.

The discovery was first reported in February in Neotropical Biodiversity magazine, where Brito and Batallas described the sound made by the toad.

"It is the first time this unique song of the Rhinella festae has been recorded and it's surprising because it shouldn't sing," Batallas told AFP.    READ MORE...