1) The first photograph of a black hole was captured in 2019 using a network of telescopes around the world.

2) The concept of virtual reality (VR) involves creating a simulated environment that can be explored and interacted with using specialized headsets and input devices.

3) The baguette, a long and crusty bread loaf, is synonymous with French culinary culture. It is a staple in French bakeries and is characterized by its crisp exterior and soft, airy interior. The baguette is typically made from wheat flour, water, yeast, and salt and is traditionally shaped by hand. It is enjoyed fresh and is a popular accompaniment to meals, sandwiches, and cheese platters, adding a touch of elegance and tradition to the dining experience.

4) The word "flower" contains two vowels: O and E.