What’s it take to get a jet engine up and running? There are a few ways to do it, and we’ll show each one.Continue reading "Video: How A Jet Engine Starts"
If you’ve ever picked up an ‘x’ in a word game, you’ve probably asked yourself this question. Find out how many words begin with an ‘x’ in this video. The letter ‘x’ is comparatively rare in English, especially when used to begin words. The dictionary on this website, which covers today’s English, contains about 120 …Continue reading "How many words begin with ‘x’?"
Scientists think they have found a smart way to constrain carbon dioxide emissions – just turn them to stone. The researchers report an experiment in Iceland where they have pumped CO2 and water underground into volcanic rock. Reactions with the minerals in the deep basalts convert the carbon dioxide to a stable, immobile chalky solid. …Continue reading "Experiment ‘turns waste CO2 to stone’"
A plane powered entirely by the sun is flying over New York City. The Solar Impulse 2 took off from Lehigh Valley, 87 miles (140km) west of the “Big Apple”, on a journey that takes only a few hours. The flight marks the completion of the trans-America portion of the aircraft’s bid to circumnavigate the …Continue reading "Solar Impulse flies over New York"