Claim: Ethanol not a major factor in reducing gas prices

If you have stopped at a gas station recently, there is a good chance your auto has consumed fuel with ethanol blended into it. Yet the price of gasoline is not substantially affected by the volume of its ethanol content, according to a paper co-authored by an MIT economist.

Quantum processor factors prime number

Researchers at UC Santa Barbara have built a quantum processor that can factor a composite number - in this case the number 15 - into its constituent prime factors, 3 and 5.