
I vividly remember the day my fifth-grade teacher issued a challenge: improve an invention. It could be anything, real or imaginary. One friend added soda to the water fountains; another, a TV screen to his Walkman (this was the ’80s Read More …
I vividly remember the day my fifth-grade teacher issued a challenge: improve an invention. It could be anything, real or imaginary. One friend added soda to the water fountains; another, a TV screen to his Walkman (this was the ’80s Read More …