For 30 years, the technology that could help save the world has been in the hands of children. Solar calculators were such a routine part of math class from the mid-1980s onward that they barely ...

Jiwon Ma is a fact checker and research analyst with a background in cybersecurity, international security, technology, and privacy policies. Before joining Investopedia, she consulted for a global ...

Tobi is a crypto writer at Investopedia. He aims to simplify the complex concepts of blockchain and cryptocurrencies for the masses. Stella Osoba is the Senior Editor of trading and investing at ...