Future Of Energy

2 articles

A futuristic coffee machine using ultrasonic waves to brew espresso at room temperature, showcasing a new era of energy-efficient coffee preparation.

Ultrasonic Waves Brew Espresso Without Hot Water

In blind taste tests, around 100 regular coffee drinkers could not reliably distinguish between traditional espresso and a new ultrasonic-brewed version made with room-temperature water.

Juliana Campos·June 20, 2026

A futuristic solid-state air conditioning unit providing silent, eco-friendly cooling in a modern living room.

Future of Energy

Solid-state ACs: A promising future with efficiency challenges

A team in Hong Kong developed an elastocaloric device that dips below 0 °C, offering a glimpse into a future where cooling systems operate without chemical refrigerants or noisy compressors.

Lena Petrova·June 15, 2026