With reference to the carbon nanotubes, consider the following statement :
1. They can be used as the carriers of drugs and antigens in the human body.
2. They can be made into the artificial blood capillaries for an injured part of human body.
3. They can be used in biochemical sensors.
4. Carbon nanotubes are biodegradable.
Which of the statements given above are correct ?
Ans: 1,2,3 and 4
Consider the following activities :
1. Spraying pesticides on a crop field
2. Inspecting the craters of active volcanoes
3. Collecting breath samples from spouting whales for DNA analysis At the present level of technology, which of the above activities can be successfully carried out by using drones ?
Ans: 1, 2 and 3
The experiment will employ a trio of spacecraft flying in formation in the shape of an equilateral triangle that has sides one million kilometres long, with lasers shining between the craft.” The experiment in question refers to