When you're young and haven't driven much of anything yet, it makes sense to overcompensate by learning as many facts and figures as you can. Driving cars is expensive, but reading first drives, reviews, comparison tests, and anything else you can find on ad-supported sites is basically free. Even as an adult, it can be easy to get caught up in which car has the best specs for the money. But does that always matter?
Converting carbon dioxide (CO2) into methanol is widely viewed as a promising way to recycle carbon resources. However, scientists have long faced a difficult challenge when trying to improve the process.
Massive stars produce light and heat through nuclear fusion, a process that releases enormous amounts of energy from their cores. Eventually, however, the largest stars run out of fuel. Once that happens, the outward pressure generated by radiation is no longer strong enough to resist gravity. The star begins collapsing under its own weight, theoretically continuing until all of its mass is compressed into a single point known as a singularity.
To make the 7:20 morning flight to Memphis, you get up with the garbage men. On the morning in February that we flew south, it was zero degrees and snarling in Detroit. Driving to the airport in a darkness illuminated intermittently by flashbulb-like bursts of white powder whipping across the windshield, the radio coughed up two new items. First, remaining outdoors this morning for nine minutes would most likely cause the delicate, lacy membranes of your sinuses to freeze over, solid. Second, Lee Iacocca has moved to Palm Springs.
Astronomers have long suspected that a planet's mass and its rotation speed are linked. In our own Solar System, Jupiter and Saturn provide striking examples. Despite their enormous size, both complete a full rotation in about 10 hours and account for a large share of the Solar System's total rotational energy.
Cricket scorecardscan appear confusing at first glance, with multiple rows and columns indicating how well - or badly - both a team and individual player is faring in a match.
Astronomers say a recent challenge to one of the most important discoveries in modern cosmology has been resolved, with new research confirming that the universe is still expanding at an accelerating rate.
