ghk14

Interesting!

Why are there no fat stickmen?

How computer works!

Wind, Fire, Earth, Water

17

Q1- a Q2- b Q3- d

Apple, I think. They're more closer than others. But Google is a good contender.

Awesome explanation! keep it up!

Yeah, perovskite is the next generation solar cell. I've done some work on it like making cells from used car battery, procedure originally developed by MIT. It's amazing but there is a chance of lead

Very useful information!

Done, Done and Done!

Lightning strike is very dangerous. 34 people were injured in Dhaka when a bus was thunderstruck. Superhuman capabilities is a miracle, but most of the time death and severe pain are the ultimate gain.

Fireworks are integral part of any festival. But few people know the science behind it. Good writing!

It works! very useful. Thanks!

Great writing! Smokers should read it. I've many smoker friends. Will definitely show them. Another irony is that Graduates from engineering and business school no smoking habits often line up for a job

Very effective for low population area. But in cities like Dhaka or Delhi, it will be very hard. And, how will one fill seeing multiple cars flying over his head? Specially the wastage thrown from the

The old rule but very clearly explained here! High school students often find it daunting to balance equations. I think the best way will be to remember the rules and practice. The more you practice the

Very informative!

Great work! keep it up!

I think it's real. When, internet connection fails for just 1-2 hours, I feel suffocated like I cannot live without it. Like smoking, it has become an addiction!