Innovative Inventions for Outdoor Comfort: Chiller Cans and Mosquito Repellent Ringtone

The video discusses two innovative technologies. The first is a chiller can that cools beverages without the need for bulky coolers, using an environmentally friendly refrigerant. This technology could reduce the need for large retail fridges. The second innovation is a ringtone designed to repel mosquitoes and other insects by mimicking the sound of male mosquitoes, which females avoid after mating. This ringtone was highly popular in South Korea upon release.

What is the primary benefit of the chiller can invention?

• It changes the flavor of the drink.

• It eliminates the need for bulky cool boxes.

• It uses solar energy to cool drinks.

• It can heat beverages instantly.

How does the chiller can help store owners?

• By reducing the need for large retail fridges.

• By increasing the shelf life of products.

• By attracting more customers with its design.

• By offering a wider variety of drink options.

What is the initial frequency used by the mosquito repellent ringtone?

• 12,000 Hertz

• 200 Hertz

• 600 Hertz

• 400 Hertz

Why do female mosquitoes avoid the ringtone?

• It mimics the sound of a predator.

• It resembles the sound of a male mosquito.

• It emits a high-pitched noise that irritates them.

• It disrupts their navigation system.

Which other insects are affected by the ringtone besides mosquitoes?

• Ants and flies

• Butterflies and beetles

• Cockroaches and bees

• Spiders and moths