Home Ask question Search Order By: ActiveCategoryClear Filter 6 Ans Modern humans appeared 200,000; civilization 10,000; and advanced technology 500 years ago. Why no advancement for something like 190,000 years? 892 views 4 Ans Why does an electric vehicle need a drivetrain at all? 793 views 4 Ans ELI5- how do scientists know that a particular species’ (panda, turtle, sharks, tigers) population is getting extinct? 778 views 2 Ans What is camera obscura? How and When it happens? 748 views 5 Ans How can blackholes warp time? What is time? 890 views 21 Ans we already know how photosynthesis is done ; so why cant we creat “artificial plants” that take CO2 and gives O2 and energy in exchange? 1.76K views 3 Ans How are some garments/shoes advertised as both waterproof and breatheable? Aren’t waterproof materials inherently not very breatheable? 705 views 1 Ans How did different insulation codes contribute to the winter storm issues in Texas? What are the origins of these different insulation codes? 831 views 2 Ans What were the specific weather effect that occurred that led to the winter storm that battered Texas? 632 views 1 Ans Why does the world appear to spin when we’re dizzy? 771 views 5 Ans Why can you objectively know someone is attractive but only certain people give you that “zing” feeling of desire/crush/etc? 696 views 5 Ans how does nightclub/bar make money? 1.21K views 2 Ans Why can microphones and speakers be used interchangeably? 997 views 6 Ans How does gas usage in a car work? What makes me use more or less gas? 842 views 12 Ans If F = ma, then how do objects going at a constant speed generate force? 1.24K views 2 Ans How does Netflix acquire its content and how do they make money off of it? 668 views 7 Ans : where does burnt fat really go and how does are weight come down 1.11K views 5 Ans eli5. What does inertia mean? 2.16K views 1 Ans (ELI5) what exactly is a transition metal? 854 views 3 Ans Why are some plastic bottles thicker than other? Surely the amount of plastic being user to mold a bottle is highly controlled 679 views « Previous 1 2 … 1,738 1,739 1,740 1,741 1,742 … 3,197 3,198 Next » Question and answer is powered by anspress.net
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