Are aerogels expensive? At about $23,000 per pound, aerogel is currently more expensive than gold [source: NASA JPL, FAQs]! Such a valuable product would seem to belong next to the diamonds and pearls in an heiress’s jewelry box. But aerogel is more likely to be found insulating a rocket or thickening paint than adorning wealthy […]
Is it too late to put my phone in rice?
Why did the baseball players go on strike in 1994?
Why did the baseball players go on strike in 1994? On Aug. 12, 1994, the players went out on strike, rather than accede to the owners’ demand for a salary cap. The strike ended the next April, after 232 days, and the players had successfully resisted the cap. Clark made his major league debut in […]
What are the 3 main purposes of an operating system?
What are the 3 main purposes of an operating system? An operating system has three main functions: (1) manage the computer’s resources, such as the central processing unit, memory, disk drives, and printers, (2) establish a user interface, and (3) execute and provide services for applications software. What are the 4 types of operating system? […]
What is a mad goal example?
What is a mad goal example? MAD Goal: When you set a goal, you should be able to measure whether or not you accomplish it. For example, Jason wants to get good grades. What are emotional goals? Everyone wants to live a fulfilling, happy life full of good emotions and memorable experiences. Emotional goals come […]
Do heavier people go down waterslides faster?
Do heavier people go down waterslides faster? He explains that heavier riders won’t go much faster than the speed of the water itself. “They can’t break through the deep water,” he says. “But a lighter rider—that person will get flushed and get swept up by the water and they’ll eventually reach the speed of the […]
What is the evidence that light is a particle?
What is the evidence that light is a particle? Light behaves mainly like a wave but it can also be considered to consist of tiny packages of energy called photons. Then Max Planck and others were studying the photoelectric effect and they found that certain types of metal and other materials will eject electrons when […]
What is the rarest element on earth?
What is the rarest element on earth? element astatine What is the most dangerous metal on earth? Plutonium What is the most deadly element? What is the oldest element on Earth? Phosphorus What element can kill you? While other toxic metals such as mercury and arsenic kill through the interaction of the metal with the […]
What is a good 1 mile time?
What are the disadvantages of a trebuchet?
What are the disadvantages of a trebuchet? Disadvantages. Although trebuchets have greater power and range than catapults, they also have drawbacks. Trebuchets are more complicated than torsion catapults and therefore are plagued by mechanical breakdowns, require more maintenance, more skill to operate and a larger crew. How does a trebuchet release work? A trebuchet is […]