Is underwater dolphin kick faster than freestyle? We know that underwater dolphin kicking is generally faster than on-the-surface swimming. This only applies to swimmers who actually kick faster underwater compared to swimming speed. There is a point of diminishing returns where the extended amount of time spent underwater hurts real swimming speed later in the […]
Was Galileo ever jailed?
Was Galileo ever jailed? After one day in prison, his punishment was commuted to “villa arrest” for the rest of his life. He died in 1642. In his later years Galileo insisted on the truth of the geocentric solar system, Kelly said. Where was Galileo Galilei jailed? Arcetri What did Galileo do for life imprisonment? […]
When was hydraulics first used?
When was hydraulics first used? First Hydraulic Press One of the first such engineers was Joseph Bramah. Bramah patented a design for a hydraulic press in 1795. The press used a hydraulic cylinder to generate compressive force, which then was used to produce mechanical force. Who founded hydraulics? Joseph Bramah (13 April 1748 – 9 […]
Do Ferns have cell walls?
Do Ferns have cell walls? Ferns. Ferns resemble seed plants in many respects, including the cell types of which they are composed. Like seed plants, fern cells have chloroplasts and cell walls composed of cellulose. What type of tissue do ferns have? vascular tissue What is the tough wall around plant cells? Animal cells and […]
Who ordered the Domesday Book and why?
Who ordered the Domesday Book and why? King William I What was the Domesday Book originally called? Domesday Book: an engraving published in 1900. The manuscript is also known by the Latin name Liber de Wintonia, meaning “Book of Winchester”. The Anglo-Saxon Chronicle states that in 1085 the king sent his agents to survey every […]
Can camshaft position sensor cause hard starting?
Can camshaft position sensor cause hard starting? On some vehicles, a failing camshaft sensor may lock the transmission in a single gear until you turn off and restart the engine. The engine may stall intermittently. You may notice poor engine performance including irregular acceleration, misfiring, hard starting, or surging. Can a camshaft sensor cause a […]
What is Hydrology Science?
What is Hydrology Science? Hydrology is the science that encompasses the occurrence, distribution, movement and properties of the waters of the earth and their relationship with the environment within each phase of the hydrologic cycle. Is hydrology a natural science? Hydrology is essentially a natural science, and nature is often full of surprises. What is […]
Are door handles easy to replace?
Are door handles easy to replace? Over time, doors, doorknobs and handles begin to wear out and become hard to operate or just look shabby – like this 20-year-old bathroom knob. But replacing them is easy. Most passage, privacy or entrance sets are sold as complete packs, and they’re quick, simple and cheap to fit. […]
Did Derek Jeter date Jessica Biel?
Did Derek Jeter date Jessica Biel? Derek Jeter and Jessica Biel (dated) 2006-2007 Their brief romance lasted only a few months between 2006-2007, and ended before it ever really began. Luckily, it was long enough for paparazzi to capture some cute moments between the two lovebirds. Who used to date Derek Jeter? Joy Enriquez The […]
What is the significance of the Springbok in South Africa?
What is the significance of the Springbok in South Africa? The springbok was a national symbol of South Africa under white minority rule (including a significant period prior to the establishment of Apartheid). It was adopted as a nickname or mascot by a number of South African sports teams, most famously by the national rugby […]