Electronics & Semiconductors
Our bodies send out hosts of signals—chemicals, electrical pulses, mechanical shifts—that can provide a wealth of information about our health.
Jan 25, 2021
0
32
Energy & Green Tech
More than 40% of energy consumption in the European Union is by buildings and 63% of this figure is due to residential dwellings. Furthermore, more than 75% of domestic energy consumption is related to heating and the production ...
Jul 06, 2020
0
9
Engineering
Here's how to build a whirligig: Thread a loop of twine through two holes in a button. Grab the loop ends, then rhythmically pull. As the twine coils and uncoils, the button spins at a dizzying speed.
Jan 10, 2017
1
1905
