This invention helped other scientists to make the modern light bulb we use today. A.You can still visit it today. B.There are over 1000 uses for it. C.However, none worked very well. D.Bamboo is light because it is empty inside. E.It can also be found in other parts of the ...
The first time I used WD-40 to save the day was way back when my daughter Britta was just a toddler. She was going through a phase where she insisted on having Silly Putty in her hand at all times, and she must have fallen asleep that way one night, because the next morning I fou...
Today, LED (light-emitting diode) headlights are typically standard on new cars. They are up to 90% more efficient than traditional incandescent lightbulbs and get their power from a small electric current that passes through a computer chip, which then powers the small LED light. These lights ...
1) Why is it important to establish a regular schedule?2) What is the purpose of setting clear goals? Why is it important?3) What does “supplementing the work” mean in Paragraph2? Is it necessary to do this in language learning?4) Do you think it is helpful to notice others’ ...
the tester screwdriver is often clear and contains a small, colored light inside. This light is illuminated when the screwdriver head is touched against a wire that is conducting electricity. The internal light source is frequently made from an LED bulb and may receive power from a small ...
Jules apparent prescience seems so incredible simply because people are forgetting that what is usually cited as an “invention” is almost always thelast developmentin along series of discoveriesthat led to thefirst successfulcommercialproduct. So we have Edison inventing the light bulb in 1880, Ben...